diff options
| author |   Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> | 2005-10-30 14:59:31 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@g5.osdl.org> | 2005-10-30 17:37:12 -0800 |
| commit | ca140fdadbe4c031a20a970f46163908d09a116b (patch) | |
| tree | 5dff340fd0bb88751604d7d7ffdcb0fe55144005 /include/asm-i386/pgtable.h | |
| parent | [PATCH] intel_cacheinfo: remove MAX_CACHE_LEAVES limit (diff) | |
| download | linux-dev-ca140fdadbe4c031a20a970f46163908d09a116b.tar.xz linux-dev-ca140fdadbe4c031a20a970f46163908d09a116b.zip | |
[PATCH] i386: little pgtable.h consolidation vs 2/3level
Join together some common functions (pmd_page{,_kernel}) over 2level and
3level pages.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Acked-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-i386/pgtable.h')
| -rw-r--r-- | include/asm-i386/pgtable.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/asm-i386/pgtable.h b/include/asm-i386/pgtable.h index 0e3ec809352d..38ec33eb6f12 100644 --- a/include/asm-i386/pgtable.h +++ b/include/asm-i386/pgtable.h @@ -369,6 +369,11 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) #define pte_offset_kernel(dir, address) \ ((pte_t *) pmd_page_kernel(*(dir)) + pte_index(address)) +#define pmd_page(pmd) (pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT)) + +#define pmd_page_kernel(pmd) \ + ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK)) + /* * Helper function that returns the kernel pagetable entry controlling * the virtual address 'address'. NULL means no pagetable entry present. |