]> git.kernelconcepts.de Git - karo-tx-linux.git/blob - arch/sh/include/asm/pgtable-2level.h
Merge remote-tracking branch 'ipsec/master'
[karo-tx-linux.git] / arch / sh / include / asm / pgtable-2level.h
1 #ifndef __ASM_SH_PGTABLE_2LEVEL_H
2 #define __ASM_SH_PGTABLE_2LEVEL_H
3
4 #include <asm-generic/pgtable-nopmd.h>
5
6 /*
7  * traditional two-level paging structure
8  */
9 #define PAGETABLE_LEVELS        2
10
11 /* PTE bits */
12 #define PTE_MAGNITUDE           2       /* 32-bit PTEs */
13
14 #define PTE_SHIFT               PAGE_SHIFT
15 #define PTE_BITS                (PTE_SHIFT - PTE_MAGNITUDE)
16
17 /* PGD bits */
18 #define PGDIR_SHIFT             (PTE_SHIFT + PTE_BITS)
19
20 #define PTRS_PER_PGD            (PAGE_SIZE / (1 << PTE_MAGNITUDE))
21 #define USER_PTRS_PER_PGD       (TASK_SIZE/PGDIR_SIZE)
22
23 #endif /* __ASM_SH_PGTABLE_2LEVEL_H */