Uwe Kleine-König <ukl@pengutronix.de>
Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
+Viresh Kumar <viresh.linux@gmail.com> <viresh.kumar@st.com>
Takashi YOSHII <takashi.yoshii.zj@renesas.com>
Yusuke Goda <goda.yusuke@renesas.com>
Gustavo Padovan <gustavo@las.ic.unicamp.br>
Document Author
---------------
- Viresh Kumar <viresh.kumar@st.com>, (c) 2010-2012 ST Microelectronics
+ Viresh Kumar <viresh.linux@gmail.com>, (c) 2010-2012 ST Microelectronics
F: net/appletalk/
ARASAN COMPACT FLASH PATA CONTROLLER
-M: Viresh Kumar <viresh.kumar@st.com>
+M: Viresh Kumar <viresh.linux@gmail.com>
L: linux-ide@vger.kernel.org
S: Maintained
F: include/linux/pata_arasan_cf_data.h
F: drivers/pinctrl/
PIN CONTROLLER - ST SPEAR
-M: Viresh Kumar <viresh.kumar@st.com>
+M: Viresh Kumar <viresh.linux@gmail.com>
L: spear-devel@list.st.com
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
W: http://www.st.com/spear
F: drivers/tty/serial
SYNOPSYS DESIGNWARE DMAC DRIVER
-M: Viresh Kumar <viresh.kumar@st.com>
+M: Viresh Kumar <viresh.linux@gmail.com>
S: Maintained
F: include/linux/dw_dmac.h
F: drivers/dma/dw_dmac_regs.h
F: drivers/mmc/host/sdhci-s3c.c
SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) ST SPEAR DRIVER
-M: Viresh Kumar <viresh.kumar@st.com>
+M: Viresh Kumar <viresh.linux@gmail.com>
L: spear-devel@list.st.com
L: linux-mmc@vger.kernel.org
S: Maintained
F: include/linux/compiler.h
SPEAR PLATFORM SUPPORT
-M: Viresh Kumar <viresh.kumar@st.com>
+M: Viresh Kumar <viresh.linux@gmail.com>
M: Shiraz Hashim <shiraz.hashim@st.com>
L: spear-devel@list.st.com
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
F: arch/arm/plat-spear/
SPEAR13XX MACHINE SUPPORT
-M: Viresh Kumar <viresh.kumar@st.com>
+M: Viresh Kumar <viresh.linux@gmail.com>
M: Shiraz Hashim <shiraz.hashim@st.com>
L: spear-devel@list.st.com
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
F: arch/arm/mach-spear13xx/
SPEAR3XX MACHINE SUPPORT
-M: Viresh Kumar <viresh.kumar@st.com>
+M: Viresh Kumar <viresh.linux@gmail.com>
M: Shiraz Hashim <shiraz.hashim@st.com>
L: spear-devel@list.st.com
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
SPEAR6XX MACHINE SUPPORT
M: Rajeev Kumar <rajeev-dlh.kumar@st.com>
M: Shiraz Hashim <shiraz.hashim@st.com>
-M: Viresh Kumar <viresh.kumar@st.com>
+M: Viresh Kumar <viresh.linux@gmail.com>
L: spear-devel@list.st.com
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
W: http://www.st.com/spear
F: arch/arm/mach-spear6xx/
SPEAR CLOCK FRAMEWORK SUPPORT
-M: Viresh Kumar <viresh.kumar@st.com>
+M: Viresh Kumar <viresh.linux@gmail.com>
L: spear-devel@list.st.com
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
W: http://www.st.com/spear
/*
* DTS file for SPEAr1310 Evaluation Baord
*
- * Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
+ * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
/*
* DTS file for all SPEAr1310 SoCs
*
- * Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
+ * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
/*
* DTS file for SPEAr1340 Evaluation Baord
*
- * Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
+ * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
/*
* DTS file for all SPEAr1340 SoCs
*
- * Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
+ * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
/*
* DTS file for all SPEAr13xx SoCs
*
- * Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
+ * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
/*
* DTS file for SPEAr300 Evaluation Baord
*
- * Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
+ * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
/*
* DTS file for SPEAr300 SoC
*
- * Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
+ * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
/*
* DTS file for SPEAr310 Evaluation Baord
*
- * Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
+ * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
/*
* DTS file for SPEAr310 SoC
*
- * Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
+ * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
/*
* DTS file for SPEAr320 Evaluation Baord
*
- * Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
+ * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
/*
* DTS file for SPEAr320 SoC
*
- * Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
+ * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
/*
* DTS file for all SPEAr3xx SoCs
*
- * Copyright 2012 Viresh Kumar <viresh.kumar@st.com>
+ * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* ARM PrimeXsys System Controller SP810 header file
*
* Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* Debugging macro include header spear13xx machine family
*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* DMA information for SPEAr13xx machine family
*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* spear13xx machine family generic header file
*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* GPIO macros for SPEAr13xx machine family
*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* IRQ helper macros for spear13xx machine family
*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* spear13xx Machine family specific definition
*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* SPEAr3XX machine family specific timex definitions
*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* Serial port stubs for kernel decompress status messages
*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* SPEAr1310 machine source file
*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* SPEAr1340 machine source file
*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* SPEAr13XX machines common source file
*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* Debugging macro include header spear3xx machine family
*
* Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar<viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* SPEAr3XX machine family generic header file
*
* Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar<viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* GPIO macros for SPEAr3xx machine family
*
* Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar<viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* IRQ helper macros for SPEAr3xx machine family
*
* Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* Miscellaneous registers definitions for SPEAr3xx machine family
*
* Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* SPEAr3xx Machine family specific definition
*
* Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* SPEAr3XX machine family specific timex definitions
*
* Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* Serial port stubs for kernel decompress status messages
*
* Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* SPEAr300 machine source file
*
* Copyright (C) 2009-2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* SPEAr310 machine source file
*
* Copyright (C) 2009-2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* SPEAr320 machine source file
*
* Copyright (C) 2009-2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* SPEAr3XX machines common source file
*
* Copyright (C) 2009-2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* GPIO macros for SPEAr6xx machine family
*
* Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* Miscellaneous registers definitions for SPEAr6xx machine family
*
* Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* Debugging macro include header for spear platform
*
* Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* DMAC pl080 definitions for SPEAr platform
*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* SPEAr platform shared irq layer header file
*
* Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* SPEAr platform specific timex definitions
*
* Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* Serial port stubs for kernel decompress status messages
*
* Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* DMAC pl080 definitions for SPEAr platform
*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* SPEAr platform specific restart functions
*
* Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* SPEAr platform shared irq layer source file
*
* Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
#include <asm/setup.h>
#include <asm/irq.h>
#include <asm/pgtable.h>
+#include <asm/sections.h>
#if defined(__H8300H__)
#define CPU "H8/300H"
char __initdata command_line[COMMAND_LINE_SIZE];
-extern int _stext, _etext, _sdata, _edata, _sbss, _ebss, _end;
extern int _ramstart, _ramend;
extern char _target_name[];
extern void h8300_gpio_init(void);
memory_end = CONFIG_BLKDEV_RESERVE_ADDRESS;
#endif
- init_mm.start_code = (unsigned long) &_stext;
- init_mm.end_code = (unsigned long) &_etext;
- init_mm.end_data = (unsigned long) &_edata;
+ init_mm.start_code = (unsigned long) _stext;
+ init_mm.end_code = (unsigned long) _etext;
+ init_mm.end_data = (unsigned long) _edata;
init_mm.brk = (unsigned long) 0;
#if (defined(CONFIG_H8300H_SIM) || defined(CONFIG_H8S_SIM)) && defined(CONFIG_GDB_MAGICPRINT)
printk(KERN_INFO "H8/300 series support by Yoshinori Sato <ysato@users.sourceforge.jp>\n");
#ifdef DEBUG
- printk(KERN_DEBUG "KERNEL -> TEXT=0x%06x-0x%06x DATA=0x%06x-0x%06x "
- "BSS=0x%06x-0x%06x\n", (int) &_stext, (int) &_etext,
- (int) &_sdata, (int) &_edata,
- (int) &_sbss, (int) &_ebss);
- printk(KERN_DEBUG "KERNEL -> ROMFS=0x%06x-0x%06x MEM=0x%06x-0x%06x "
- "STACK=0x%06x-0x%06x\n",
- (int) &_ebss, (int) memory_start,
- (int) memory_start, (int) memory_end,
- (int) memory_end, (int) &_ramend);
+ printk(KERN_DEBUG "KERNEL -> TEXT=0x%p-0x%p DATA=0x%p-0x%p "
+ "BSS=0x%p-0x%p\n", _stext, _etext, _sdata, _edata, __bss_start,
+ __bss_stop);
+ printk(KERN_DEBUG "KERNEL -> ROMFS=0x%p-0x%06lx MEM=0x%06lx-0x%06lx "
+ "STACK=0x%06lx-0x%p\n", __bss_stop, memory_start, memory_start,
+ memory_end, memory_end, &_ramend);
#endif
#ifdef CONFIG_DEFAULT_CMDLINE
#include <asm/segment.h>
#include <asm/page.h>
#include <asm/pgtable.h>
+#include <asm/sections.h>
#undef DEBUG
int codek = 0, datak = 0, initk = 0;
/* DAVIDM look at setup memory map generically with reserved area */
unsigned long tmp;
- extern char _etext, _stext, _sdata, _ebss, __init_begin, __init_end;
extern unsigned long _ramend, _ramstart;
unsigned long len = &_ramend - &_ramstart;
unsigned long start_mem = memory_start; /* DAVIDM - these must start at end of kernel */
/* this will put all memory onto the freelists */
totalram_pages = free_all_bootmem();
- codek = (&_etext - &_stext) >> 10;
- datak = (&_ebss - &_sdata) >> 10;
- initk = (&__init_begin - &__init_end) >> 10;
+ codek = (_etext - _stext) >> 10;
+ datak = (__bss_stop - _sdata) >> 10;
+ initk = (__init_begin - __init_end) >> 10;
tmp = nr_free_pages() << PAGE_SHIFT;
printk(KERN_INFO "Memory available: %luk/%luk RAM, %luk/%luk ROM (%dk kernel code, %dk data)\n",
{
#ifdef CONFIG_RAMKERNEL
unsigned long addr;
- extern char __init_begin, __init_end;
/*
* the following code should be cool even if these sections
* are not page aligned.
*/
- addr = PAGE_ALIGN((unsigned long)(&__init_begin));
+ addr = PAGE_ALIGN((unsigned long)(__init_begin));
/* next to check that the page we free is not a partial page */
- for (; addr + PAGE_SIZE < (unsigned long)(&__init_end); addr +=PAGE_SIZE) {
+ for (; addr + PAGE_SIZE < (unsigned long)__init_end; addr +=PAGE_SIZE) {
ClearPageReserved(virt_to_page(addr));
init_page_count(virt_to_page(addr));
free_page(addr);
totalram_pages++;
}
printk(KERN_INFO "Freeing unused kernel memory: %ldk freed (0x%x - 0x%x)\n",
- (addr - PAGE_ALIGN((long) &__init_begin)) >> 10,
- (int)(PAGE_ALIGN((unsigned long)(&__init_begin))),
+ (addr - PAGE_ALIGN((long) __init_begin)) >> 10,
+ (int)(PAGE_ALIGN((unsigned long)__init_begin)),
(int)(addr - PAGE_SIZE));
#endif
}
* they can run pmd_offset_map_lock or pmd_trans_huge or other pmd
* operations.
*
- * Without THP if the mmap_sem is hold for reading, the
- * pmd can only transition from null to not null while pmd_read_atomic runs.
- * So there's no need of literally reading it atomically.
+ * Without THP if the mmap_sem is hold for reading, the pmd can only
+ * transition from null to not null while pmd_read_atomic runs. So
+ * we can always return atomic pmd values with this function.
*
* With THP if the mmap_sem is hold for reading, the pmd can become
- * THP or null or point to a pte (and in turn become "stable") at any
- * time under pmd_read_atomic, so it's mandatory to read it atomically
- * with cmpxchg8b.
+ * trans_huge or none or point to a pte (and in turn become "stable")
+ * at any time under pmd_read_atomic. We could read it really
+ * atomically here with a atomic64_read for the THP enabled case (and
+ * it would be a whole lot simpler), but to avoid using cmpxchg8b we
+ * only return an atomic pmdval if the low part of the pmdval is later
+ * found stable (i.e. pointing to a pte). And we're returning a none
+ * pmdval if the low part of the pmd is none. In some cases the high
+ * and low part of the pmdval returned may not be consistent if THP is
+ * enabled (the low part may point to previously mapped hugepage,
+ * while the high part may point to a more recently mapped hugepage),
+ * but pmd_none_or_trans_huge_or_clear_bad() only needs the low part
+ * of the pmd to be read atomically to decide if the pmd is unstable
+ * or not, with the only exception of when the low part of the pmd is
+ * zero in which case we return a none pmd.
*/
-#ifndef CONFIG_TRANSPARENT_HUGEPAGE
static inline pmd_t pmd_read_atomic(pmd_t *pmdp)
{
pmdval_t ret;
return (pmd_t) { ret };
}
-#else /* CONFIG_TRANSPARENT_HUGEPAGE */
-static inline pmd_t pmd_read_atomic(pmd_t *pmdp)
-{
- return (pmd_t) { atomic64_read((atomic64_t *)pmdp) };
-}
-#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte)
{
# Only build variant and/or platform if it includes a Makefile
-buildvar := $(shell test -a $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/)
-buildplf := $(shell test -a $(srctree)/arch/xtensa/platforms/$(PLATFORM)/Makefile && echo arch/xtensa/platforms/$(PLATFORM)/)
+buildvar := $(shell test -e $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/)
+buildplf := $(shell test -e $(srctree)/arch/xtensa/platforms/$(PLATFORM)/Makefile && echo arch/xtensa/platforms/$(PLATFORM)/)
# Find libgcc.a
_text = .;
_stext = .;
- _ftext = .;
.text :
{
EXCEPTION_TABLE(16)
/* Data section */
- _fdata = .;
+ _sdata = .;
RW_DATA_SECTION(XCHAL_ICACHE_LINESIZE, PAGE_SIZE, THREAD_SIZE)
_edata = .;
#include <asm/bootparam.h>
#include <asm/page.h>
-
-/* References to section boundaries */
-
-extern char _ftext, _etext, _fdata, _edata, _rodata_end;
-extern char __init_begin, __init_end;
+#include <asm/sections.h>
/*
* mem_reserve(start, end, must_exist)
reservedpages++;
}
- codesize = (unsigned long) &_etext - (unsigned long) &_ftext;
- datasize = (unsigned long) &_edata - (unsigned long) &_fdata;
- initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin;
+ codesize = (unsigned long) _etext - (unsigned long) _stext;
+ datasize = (unsigned long) _edata - (unsigned long) _sdata;
+ initsize = (unsigned long) __init_end - (unsigned long) __init_begin;
printk("Memory: %luk/%luk available (%ldk kernel code, %ldk reserved, "
"%ldk data, %ldk init %ldk highmem)\n",
void free_initmem(void)
{
- free_reserved_mem(&__init_begin, &__init_end);
- printk("Freeing unused kernel memory: %dk freed\n",
- (&__init_end - &__init_begin) >> 10);
+ free_reserved_mem(__init_begin, __init_end);
+ printk("Freeing unused kernel memory: %zuk freed\n",
+ (__init_end - __init_begin) >> 10);
}
* Arasan Compact Flash host controller source file
*
* Copyright (C) 2011 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
module_platform_driver(arasan_cf_driver);
-MODULE_AUTHOR("Viresh Kumar <viresh.kumar@st.com>");
+MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>");
MODULE_DESCRIPTION("Arasan ATA Compact Flash driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:" DRIVER_NAME);
/*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
/*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
/*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
/*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
/*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* Clock framework definitions for SPEAr platform
*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* SPEAr1310 machine clock framework source file
*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* SPEAr1340 machine clock framework source file
*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* SPEAr3xx machines clock framework source file
*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* SPEAr6xx machines clock framework source file
*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("Synopsys DesignWare DMA Controller driver");
MODULE_AUTHOR("Haavard Skinnemoen (Atmel)");
-MODULE_AUTHOR("Viresh Kumar <viresh.kumar@st.com>");
+MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>");
*
* License Terms: GNU General Public License, version 2
* Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
- * Author: Viresh Kumar <viresh.kumar@st.com> for ST Microelectronics
+ * Author: Viresh Kumar <viresh.linux@gmail.com> for ST Microelectronics
*/
#include <linux/i2c.h>
* Copyright (C) ST Microelectronics SA 2011
*
* License Terms: GNU General Public License, version 2
- * Author: Viresh Kumar <viresh.kumar@st.com> for ST Microelectronics
+ * Author: Viresh Kumar <viresh.linux@gmail.com> for ST Microelectronics
*/
#include <linux/spi/spi.h>
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("STMPE MFD SPI Interface Driver");
-MODULE_AUTHOR("Viresh Kumar <viresh.kumar@st.com>");
+MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>");
* Support of SDHCI platform devices for spear soc family
*
* Copyright (C) 2010 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* Inspired by sdhci-pltfm.c
*
module_platform_driver(sdhci_driver);
MODULE_DESCRIPTION("SPEAr Secure Digital Host Controller Interface driver");
-MODULE_AUTHOR("Viresh Kumar <viresh.kumar@st.com>");
+MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>");
MODULE_LICENSE("GPL v2");
* Driver for the ST Microelectronics SPEAr pinmux
*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* Inspired from:
* - U300 Pinctl drivers
* Driver header file for the ST Microelectronics SPEAr pinmux
*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* Driver for the ST Microelectronics SPEAr1310 pinmux
*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
}
module_exit(spear1310_pinctrl_exit);
-MODULE_AUTHOR("Viresh Kumar <viresh.kumar@st.com>");
+MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>");
MODULE_DESCRIPTION("ST Microelectronics SPEAr1310 pinctrl driver");
MODULE_LICENSE("GPL v2");
MODULE_DEVICE_TABLE(of, spear1310_pinctrl_of_match);
* Driver for the ST Microelectronics SPEAr1340 pinmux
*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
}
module_exit(spear1340_pinctrl_exit);
-MODULE_AUTHOR("Viresh Kumar <viresh.kumar@st.com>");
+MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>");
MODULE_DESCRIPTION("ST Microelectronics SPEAr1340 pinctrl driver");
MODULE_LICENSE("GPL v2");
MODULE_DEVICE_TABLE(of, spear1340_pinctrl_of_match);
* Driver for the ST Microelectronics SPEAr300 pinmux
*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
}
module_exit(spear300_pinctrl_exit);
-MODULE_AUTHOR("Viresh Kumar <viresh.kumar@st.com>");
+MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>");
MODULE_DESCRIPTION("ST Microelectronics SPEAr300 pinctrl driver");
MODULE_LICENSE("GPL v2");
MODULE_DEVICE_TABLE(of, spear300_pinctrl_of_match);
* Driver for the ST Microelectronics SPEAr310 pinmux
*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
}
module_exit(spear310_pinctrl_exit);
-MODULE_AUTHOR("Viresh Kumar <viresh.kumar@st.com>");
+MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>");
MODULE_DESCRIPTION("ST Microelectronics SPEAr310 pinctrl driver");
MODULE_LICENSE("GPL v2");
MODULE_DEVICE_TABLE(of, SPEAr310_pinctrl_of_match);
* Driver for the ST Microelectronics SPEAr320 pinmux
*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
}
module_exit(spear320_pinctrl_exit);
-MODULE_AUTHOR("Viresh Kumar <viresh.kumar@st.com>");
+MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>");
MODULE_DESCRIPTION("ST Microelectronics SPEAr320 pinctrl driver");
MODULE_LICENSE("GPL v2");
MODULE_DEVICE_TABLE(of, spear320_pinctrl_of_match);
* Driver for the ST Microelectronics SPEAr3xx pinmux
*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* Header file for the ST Microelectronics SPEAr3xx pinmux
*
* Copyright (C) 2012 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* Watchdog driver for ARM SP805 watchdog module
*
* Copyright (C) 2010 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2 or later. This program is licensed "as is" without any
module_amba_driver(sp805_wdt_driver);
-MODULE_AUTHOR("Viresh Kumar <viresh.kumar@st.com>");
+MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>");
MODULE_DESCRIPTION("ARM SP805 Watchdog Driver");
MODULE_LICENSE("GPL");
/* Notify parent that we're no longer interested in the old VM */
tsk = current;
old_mm = current->mm;
- sync_mm_rss(old_mm);
mm_release(tsk, old_mm);
if (old_mm) {
+ sync_mm_rss(old_mm);
/*
* Make sure that if there is a core dump in progress
* for the old mm, we get out and die instead of going
while (!list_empty(head)) {
ii = list_first_entry(head, struct nilfs_inode_info, i_dirty);
list_del_init(&ii->i_dirty);
+ truncate_inode_pages(&ii->vfs_inode.i_data, 0);
+ nilfs_btnode_cache_clear(&ii->i_btnode_cache);
iput(&ii->vfs_inode);
}
}
if (!test_bit(NILFS_I_UPDATED, &ii->i_state))
continue;
list_del_init(&ii->i_dirty);
+ truncate_inode_pages(&ii->vfs_inode.i_data, 0);
+ nilfs_btnode_cache_clear(&ii->i_btnode_cache);
iput(&ii->vfs_inode);
}
}
/*
* The barrier will stabilize the pmdval in a register or on
* the stack so that it will stop changing under the code.
+ *
+ * When CONFIG_TRANSPARENT_HUGEPAGE=y on x86 32bit PAE,
+ * pmd_read_atomic is allowed to return a not atomic pmdval
+ * (for example pointing to an hugepage that has never been
+ * mapped in the pmd). The below checks will only care about
+ * the low part of the pmd with 32bit PAE x86 anyway, with the
+ * exception of pmd_none(). So the important thing is that if
+ * the low part of the pmd is found null, the high part will
+ * be also null or the pmd_none() check below would be
+ * confused.
*/
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
barrier();
};
union {
+#if defined(CONFIG_HAVE_CMPXCHG_DOUBLE) && \
+ defined(CONFIG_HAVE_ALIGNED_STRUCT_PAGE)
/* Used for cmpxchg_double in slub */
unsigned long counters;
+#else
+ /*
+ * Keep _count separate from slub cmpxchg_double data.
+ * As the rest of the double word is protected by
+ * slab_lock but _count is not.
+ */
+ unsigned counters;
+#endif
struct {
* SDHCI declarations specific to ST SPEAr platform
*
* Copyright (C) 2010 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* Arasan Compact Flash host controller platform data header file
*
* Copyright (C) 2011 ST Microelectronics
- * Viresh Kumar <viresh.kumar@st.com>
+ * Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
list_del_rcu(&p->tasks);
list_del_init(&p->sibling);
__this_cpu_dec(process_counts);
+ /*
+ * If we are the last child process in a pid namespace to be
+ * reaped, notify the reaper sleeping zap_pid_ns_processes().
+ */
+ if (IS_ENABLED(CONFIG_PID_NS)) {
+ struct task_struct *parent = p->real_parent;
+
+ if ((task_active_pid_ns(parent)->child_reaper == parent) &&
+ list_empty(&parent->children) &&
+ (parent->flags & PF_EXITING))
+ wake_up_process(parent);
+ }
}
list_del_rcu(&p->thread_group);
}
mm_release(tsk, mm);
if (!mm)
return;
+ sync_mm_rss(mm);
/*
* Serialize with any possible pending coredump.
* We must hold mmap_sem around checking core_state
zap_pid_ns_processes(pid_ns);
write_lock_irq(&tasklist_lock);
- /*
- * We can not clear ->child_reaper or leave it alone.
- * There may by stealth EXIT_DEAD tasks on ->children,
- * forget_original_parent() must move them somewhere.
- */
- pid_ns->child_reaper = init_pid_ns.child_reaper;
} else if (father->signal->has_child_subreaper) {
struct task_struct *reaper;
}
read_unlock(&tasklist_lock);
+ /* Firstly reap the EXIT_ZOMBIE children we may have. */
do {
clear_thread_flag(TIF_SIGPENDING);
rc = sys_wait4(-1, NULL, __WALL, NULL);
} while (rc != -ECHILD);
+ /*
+ * sys_wait4() above can't reap the TASK_DEAD children.
+ * Make sure they all go away, see __unhash_process().
+ */
+ for (;;) {
+ bool need_wait = false;
+
+ read_lock(&tasklist_lock);
+ if (!list_empty(¤t->children)) {
+ __set_current_state(TASK_UNINTERRUPTIBLE);
+ need_wait = true;
+ }
+ read_unlock(&tasklist_lock);
+
+ if (!need_wait)
+ break;
+ schedule();
+ }
+
if (pid_ns->reboot)
current->signal->group_exit_code = pid_ns->reboot;
else
return -EINVAL;
break;
- case PR_GET_TID_ADDRESS:
- error = prctl_get_tid_address(me, (int __user **)arg2);
- break;
default:
return -EINVAL;
}
case PR_SET_MM:
error = prctl_set_mm(arg2, arg3, arg4, arg5);
break;
+ case PR_GET_TID_ADDRESS:
+ error = prctl_get_tid_address(me, (int __user **)arg2);
+ break;
case PR_SET_CHILD_SUBREAPER:
me->signal->is_child_subreaper = !!arg2;
error = 0;
bool should_fail(struct fault_attr *attr, ssize_t size)
{
+ /* No need to check any other properties if the probability is 0 */
+ if (attr->probability == 0)
+ return false;
+
if (attr->task_filter && !fail_task(attr, current))
return false;
}
}
-static int __init_memblock memblock_double_array(struct memblock_type *type)
+/**
+ * memblock_double_array - double the size of the memblock regions array
+ * @type: memblock type of the regions array being doubled
+ * @new_area_start: starting address of memory range to avoid overlap with
+ * @new_area_size: size of memory range to avoid overlap with
+ *
+ * Double the size of the @type regions array. If memblock is being used to
+ * allocate memory for a new reserved regions array and there is a previously
+ * allocated memory range [@new_area_start,@new_area_start+@new_area_size]
+ * waiting to be reserved, ensure the memory used by the new array does
+ * not overlap.
+ *
+ * RETURNS:
+ * 0 on success, -1 on failure.
+ */
+static int __init_memblock memblock_double_array(struct memblock_type *type,
+ phys_addr_t new_area_start,
+ phys_addr_t new_area_size)
{
struct memblock_region *new_array, *old_array;
phys_addr_t old_size, new_size, addr;
new_array = kmalloc(new_size, GFP_KERNEL);
addr = new_array ? __pa(new_array) : 0;
} else {
- addr = memblock_find_in_range(0, MEMBLOCK_ALLOC_ACCESSIBLE, new_size, sizeof(phys_addr_t));
+ /* only exclude range when trying to double reserved.regions */
+ if (type != &memblock.reserved)
+ new_area_start = new_area_size = 0;
+
+ addr = memblock_find_in_range(new_area_start + new_area_size,
+ memblock.current_limit,
+ new_size, sizeof(phys_addr_t));
+ if (!addr && new_area_size)
+ addr = memblock_find_in_range(0,
+ min(new_area_start, memblock.current_limit),
+ new_size, sizeof(phys_addr_t));
+
new_array = addr ? __va(addr) : 0;
}
if (!addr) {
*/
if (!insert) {
while (type->cnt + nr_new > type->max)
- if (memblock_double_array(type) < 0)
+ if (memblock_double_array(type, obase, size) < 0)
return -ENOMEM;
insert = true;
goto repeat;
/* we'll create at most two more regions */
while (type->cnt + 2 > type->max)
- if (memblock_double_array(type) < 0)
+ if (memblock_double_array(type, base, size) < 0)
return -ENOMEM;
for (i = 0; i < type->cnt; i++) {
* __next_free_mem_range - next function for for_each_free_mem_range()
* @idx: pointer to u64 loop variable
* @nid: nid: node selector, %MAX_NUMNODES for all nodes
- * @p_start: ptr to phys_addr_t for start address of the range, can be %NULL
- * @p_end: ptr to phys_addr_t for end address of the range, can be %NULL
- * @p_nid: ptr to int for nid of the range, can be %NULL
+ * @out_start: ptr to phys_addr_t for start address of the range, can be %NULL
+ * @out_end: ptr to phys_addr_t for end address of the range, can be %NULL
+ * @out_nid: ptr to int for nid of the range, can be %NULL
*
* Find the first free area from *@idx which matches @nid, fill the out
* parameters, and update *@idx for the next iteration. The lower 32bit of
* __next_free_mem_range_rev - next function for for_each_free_mem_range_reverse()
* @idx: pointer to u64 loop variable
* @nid: nid: node selector, %MAX_NUMNODES for all nodes
- * @p_start: ptr to phys_addr_t for start address of the range, can be %NULL
- * @p_end: ptr to phys_addr_t for end address of the range, can be %NULL
- * @p_nid: ptr to int for nid of the range, can be %NULL
+ * @out_start: ptr to phys_addr_t for start address of the range, can be %NULL
+ * @out_end: ptr to phys_addr_t for end address of the range, can be %NULL
+ * @out_nid: ptr to int for nid of the range, can be %NULL
*
* Reverse of __next_free_mem_range().
*/
{
if (root_memcg == memcg)
return true;
- if (!root_memcg->use_hierarchy)
+ if (!root_memcg->use_hierarchy || !memcg)
return false;
return css_is_ancestor(&memcg->css, &root_memcg->css);
}
/**
* mem_cgroup_margin - calculate chargeable space of a memory cgroup
- * @mem: the memory cgroup
+ * @memcg: the memory cgroup
*
* Returns the maximum amount of memory @mem can be charged with, in
* pages.
/**
* test_mem_cgroup_node_reclaimable
- * @mem: the target memcg
+ * @memcg: the target memcg
* @nid: the node ID to be checked.
* @noswap : specify true here if the user wants flle only information.
*
next = pmd_addr_end(addr, end);
if (pmd_trans_huge(*pmd)) {
if (next - addr != HPAGE_PMD_SIZE) {
- VM_BUG_ON(!rwsem_is_locked(&tlb->mm->mmap_sem));
+#ifdef CONFIG_DEBUG_VM
+ if (!rwsem_is_locked(&tlb->mm->mmap_sem)) {
+ pr_err("%s: mmap_sem is unlocked! addr=0x%lx end=0x%lx vma->vm_start=0x%lx vma->vm_end=0x%lx\n",
+ __func__, addr, end,
+ vma->vm_start,
+ vma->vm_end);
+ BUG();
+ }
+#endif
split_huge_page_pmd(vma->vm_mm, pmd);
} else if (zap_huge_pmd(tlb, vma, pmd, addr))
goto next;
/**
* zap_page_range - remove user pages in a given range
* @vma: vm_area_struct holding the applicable pages
- * @address: starting address of pages to zap
+ * @start: starting address of pages to zap
* @size: number of bytes to zap
* @details: details of nonlinear truncation or shared cache invalidation
*
const nodemask_t *nodemask, unsigned long totalpages)
{
long points;
+ long adj;
if (oom_unkillable_task(p, memcg, nodemask))
return 0;
if (!p)
return 0;
- if (p->signal->oom_score_adj == OOM_SCORE_ADJ_MIN) {
+ adj = p->signal->oom_score_adj;
+ if (adj == OOM_SCORE_ADJ_MIN) {
task_unlock(p);
return 0;
}
* implementation used by LSMs.
*/
if (has_capability_noaudit(p, CAP_SYS_ADMIN))
- points -= 30 * totalpages / 1000;
+ adj -= 30;
- /*
- * /proc/pid/oom_score_adj ranges from -1000 to +1000 such that it may
- * either completely disable oom killing or always prefer a certain
- * task.
- */
- points += p->signal->oom_score_adj * totalpages / 1000;
+ /* Normalize to oom_score_adj units */
+ adj *= totalpages / 1000;
+ points += adj;
/*
* Never return 0 for an eligible task regardless of the root bonus and
/**
* dump_tasks - dump current memory state of all system tasks
- * @mem: current's memory controller, if constrained
+ * @memcg: current's memory controller, if constrained
* @nodemask: nodemask passed to page allocator for mempolicy ooms
*
* Dumps the current memory state of all eligible tasks. Tasks not in the same
/**
* swap_cgroup_cmpxchg - cmpxchg mem_cgroup's id for this swp_entry.
- * @end: swap entry to be cmpxchged
+ * @ent: swap entry to be cmpxchged
* @old: old id
* @new: new id
*
/**
* swap_cgroup_record - record mem_cgroup for this swp_entry.
* @ent: swap entry to be recorded into
- * @mem: mem_cgroup to be recorded
+ * @id: mem_cgroup to be recorded
*
* Returns old value at success, 0 at failure.
* (Of course, old value can be 0.)
/**
* walk_page_range - walk a memory map's page tables with a callback
- * @mm: memory map to walk
* @addr: starting address
* @end: ending address
* @walk: set of callbacks to invoke for each level of the tree
* @chunk: chunk to depopulate
* @off: offset to the area to depopulate
* @size: size of the area to depopulate in bytes
- * @flush: whether to flush cache and tlb or not
*
* For each cpu, depopulate and unmap pages [@page_start,@page_end)
* from @chunk. If @flush is true, vcache is flushed before unmapping
push(@signature_tags, "Reviewed-by:");
push(@signature_tags, "Acked-by:");
+my $signature_pattern = "\(" . join("|", @signature_tags) . "\)";
+
# rfc822 email address - preloaded methods go here.
my $rfc822_lwsp = "(?:(?:\\r\\n)?[ \\t])";
my $rfc822_char = '[\\000-\\377]';
my @status = ();
my %deduplicate_name_hash = ();
my %deduplicate_address_hash = ();
-my $signature_pattern;
my @maintainers = get_maintainers();
projects / karo-tx-linux.git / commitdiff