X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-linux.git;a=blobdiff_plain;f=mm%2Fvmalloc.c;h=d04563480c94f4137efb6102e8d8beaef3a9dda7;hp=af3a519e40c2ba9e08a0ff41eadeae945e813dbb;hb=2d4de05aac6be83cf69b7ec29244d10ec1dd8701;hpb=2c91072aab3b305eb8f0f7c4b045cf169e622e1c

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index af3a519e40c2..d04563480c94 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -35,6 +35,8 @@
 #include <asm/tlbflush.h>
 #include <asm/shmparam.h>
 
+#include "internal.h"
+
 struct vfree_deferred {
 	struct llist_head list;
 	struct work_struct wq;
@@ -358,7 +360,7 @@ static struct vmap_area *alloc_vmap_area(unsigned long size,
 	struct vmap_area *first;
 
 	BUG_ON(!size);
-	BUG_ON(size & ~PAGE_MASK);
+	BUG_ON(offset_in_page(size));
 	BUG_ON(!is_power_of_2(align));
 
 	va = kmalloc_node(sizeof(struct vmap_area),
@@ -936,7 +938,7 @@ static void *vb_alloc(unsigned long size, gfp_t gfp_mask)
 	void *vaddr = NULL;
 	unsigned int order;
 
-	BUG_ON(size & ~PAGE_MASK);
+	BUG_ON(offset_in_page(size));
 	BUG_ON(size > PAGE_SIZE*VMAP_MAX_ALLOC);
 	if (WARN_ON(size == 0)) {
 		/*
@@ -989,7 +991,7 @@ static void vb_free(const void *addr, unsigned long size)
 	unsigned int order;
 	struct vmap_block *vb;
 
-	BUG_ON(size & ~PAGE_MASK);
+	BUG_ON(offset_in_page(size));
 	BUG_ON(size > PAGE_SIZE*VMAP_MAX_ALLOC);
 
 	flush_cache_vunmap((unsigned long)addr, (unsigned long)addr + size);
@@ -1617,7 +1619,7 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
 			goto fail;
 		}
 		area->pages[i] = page;
-		if (gfp_mask & __GFP_WAIT)
+		if (gfpflags_allow_blocking(gfp_mask))
 			cond_resched();
 	}
 
@@ -1902,7 +1904,7 @@ static int aligned_vread(char *buf, char *addr, unsigned long count)
 	while (count) {
 		unsigned long offset, length;
 
-		offset = (unsigned long)addr & ~PAGE_MASK;
+		offset = offset_in_page(addr);
 		length = PAGE_SIZE - offset;
 		if (length > count)
 			length = count;
@@ -1941,7 +1943,7 @@ static int aligned_vwrite(char *buf, char *addr, unsigned long count)
 	while (count) {
 		unsigned long offset, length;
 
-		offset = (unsigned long)addr & ~PAGE_MASK;
+		offset = offset_in_page(addr);
 		length = PAGE_SIZE - offset;
 		if (length > count)
 			length = count;
@@ -2392,7 +2394,7 @@ struct vm_struct **pcpu_get_vm_areas(const unsigned long *offsets,
 	bool purged = false;
 
 	/* verify parameters and allocate data structures */
-	BUG_ON(align & ~PAGE_MASK || !is_power_of_2(align));
+	BUG_ON(offset_in_page(align) || !is_power_of_2(align));
 	for (last_area = 0, area = 0; area < nr_vms; area++) {
 		start = offsets[area];
 		end = start + sizes[area];