From 46a82b2d5591335277ed2930611f6acb4ce654ed Mon Sep 17 00:00:00 2001 From: Dave McCracken Date: Mon, 25 Sep 2006 23:31:48 -0700 Subject: [PATCH] Standardize pxx_page macros One of the changes necessary for shared page tables is to standardize the pxx_page macros. pte_page and pmd_page have always returned the struct page associated with their entry, while pte_page_kernel and pmd_page_kernel have returned the kernel virtual address. pud_page and pgd_page, on the other hand, return the kernel virtual address. Shared page tables needs pud_page and pgd_page to return the actual page structures. There are very few actual users of these functions, so it is simple to standardize their usage. Since this is basic cleanup, I am submitting these changes as a standalone patch. Per Hugh Dickins' comments about it, I am also changing the pxx_page_kernel macros to pxx_page_vaddr to clarify their meaning. Signed-off-by: Dave McCracken Cc: Hugh Dickins Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/asm-m32r/pgtable-2level.h | 6 +++++- include/asm-m32r/pgtable.h | 4 ++-- 2 files changed, 7 insertions(+), 3 deletions(-) (limited to 'include/asm-m32r') diff --git a/include/asm-m32r/pgtable-2level.h b/include/asm-m32r/pgtable-2level.h index be0f167e344..6a674e3d37a 100644 --- a/include/asm-m32r/pgtable-2level.h +++ b/include/asm-m32r/pgtable-2level.h @@ -52,9 +52,13 @@ static inline int pgd_present(pgd_t pgd) { return 1; } #define set_pmd(pmdptr, pmdval) (*(pmdptr) = pmdval) #define set_pgd(pgdptr, pgdval) (*(pgdptr) = pgdval) -#define pgd_page(pgd) \ +#define pgd_page_vaddr(pgd) \ ((unsigned long) __va(pgd_val(pgd) & PAGE_MASK)) +#ifndef CONFIG_DISCONTIGMEM +#define pgd_page(pgd) (mem_map + ((pgd_val(pgd) >> PAGE_SHIFT) - PFN_BASE)) +#endif /* !CONFIG_DISCONTIGMEM */ + static inline pmd_t *pmd_offset(pgd_t * dir, unsigned long address) { return (pmd_t *) dir; diff --git a/include/asm-m32r/pgtable.h b/include/asm-m32r/pgtable.h index 1983b7f4527..1c15ba7ce31 100644 --- a/include/asm-m32r/pgtable.h +++ b/include/asm-m32r/pgtable.h @@ -336,7 +336,7 @@ static inline void pmd_set(pmd_t * pmdp, pte_t * ptep) pmd_val(*pmdp) = (((unsigned long) ptep) & PAGE_MASK); } -#define pmd_page_kernel(pmd) \ +#define pmd_page_vaddr(pmd) \ ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK)) #ifndef CONFIG_DISCONTIGMEM @@ -358,7 +358,7 @@ static inline void pmd_set(pmd_t * pmdp, pte_t * ptep) #define pte_index(address) \ (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) #define pte_offset_kernel(dir, address) \ - ((pte_t *)pmd_page_kernel(*(dir)) + pte_index(address)) + ((pte_t *)pmd_page_vaddr(*(dir)) + pte_index(address)) #define pte_offset_map(dir, address) \ ((pte_t *)page_address(pmd_page(*(dir))) + pte_index(address)) #define pte_offset_map_nested(dir, address) pte_offset_map(dir, address) -- cgit v1.2.3