diff options
Diffstat (limited to 'arch/powerpc/include/asm/page_32.h')
-rw-r--r-- | arch/powerpc/include/asm/page_32.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/page_32.h b/arch/powerpc/include/asm/page_32.h index d77072a32cc..1458d950038 100644 --- a/arch/powerpc/include/asm/page_32.h +++ b/arch/powerpc/include/asm/page_32.h | |||
@@ -19,6 +19,8 @@ | |||
19 | #define PTE_FLAGS_OFFSET 0 | 19 | #define PTE_FLAGS_OFFSET 0 |
20 | #endif | 20 | #endif |
21 | 21 | ||
22 | #define PTE_SHIFT (PAGE_SHIFT - PTE_T_LOG2) /* full page */ | ||
23 | |||
22 | #ifndef __ASSEMBLY__ | 24 | #ifndef __ASSEMBLY__ |
23 | /* | 25 | /* |
24 | * The basic type of a PTE - 64 bits for those CPUs with > 32 bit | 26 | * The basic type of a PTE - 64 bits for those CPUs with > 32 bit |
@@ -26,10 +28,8 @@ | |||
26 | */ | 28 | */ |
27 | #ifdef CONFIG_PTE_64BIT | 29 | #ifdef CONFIG_PTE_64BIT |
28 | typedef unsigned long long pte_basic_t; | 30 | typedef unsigned long long pte_basic_t; |
29 | #define PTE_SHIFT (PAGE_SHIFT - 3) /* 512 ptes per page */ | ||
30 | #else | 31 | #else |
31 | typedef unsigned long pte_basic_t; | 32 | typedef unsigned long pte_basic_t; |
32 | #define PTE_SHIFT (PAGE_SHIFT - 2) /* 1024 ptes per page */ | ||
33 | #endif | 33 | #endif |
34 | 34 | ||
35 | struct page; | 35 | struct page; |
@@ -39,6 +39,9 @@ extern void copy_page(void *to, void *from); | |||
39 | 39 | ||
40 | #include <asm-generic/page.h> | 40 | #include <asm-generic/page.h> |
41 | 41 | ||
42 | #define PGD_T_LOG2 (__builtin_ffs(sizeof(pgd_t)) - 1) | ||
43 | #define PTE_T_LOG2 (__builtin_ffs(sizeof(pte_t)) - 1) | ||
44 | |||
42 | #endif /* __ASSEMBLY__ */ | 45 | #endif /* __ASSEMBLY__ */ |
43 | 46 | ||
44 | #endif /* _ASM_POWERPC_PAGE_32_H */ | 47 | #endif /* _ASM_POWERPC_PAGE_32_H */ |