diff options
| author | Andi Kleen <ak@suse.de> | 2005-11-05 17:25:53 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-15 04:55:14 +0100 |
| commit | 6b75aeedde1e8a8513393d3c1367bf81bc5b0c67 (patch) | |
| tree | f8f25d30bf097a58e535adf3ac84b89b027b33e3 /include/asm-x86_64/pgtable.h | |
| parent | [PATCH] x86_64: Unmap NULL during early bootup (diff) | |
| download | linux-6b75aeedde1e8a8513393d3c1367bf81bc5b0c67.tar.xz linux-6b75aeedde1e8a8513393d3c1367bf81bc5b0c67.zip | |
[PATCH] x86_64: Don't apply __PHYSICAL_MASK to page frame numbers
It is for physical addresses, not for PFNs.
Pointed out by Tejun Heo.
Cc: htejun@gmail.com
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-x86_64/pgtable.h')
| -rw-r--r-- | include/asm-x86_64/pgtable.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h index a204efb553dc..f8e87a57f3a7 100644 --- a/include/asm-x86_64/pgtable.h +++ b/include/asm-x86_64/pgtable.h @@ -246,7 +246,7 @@ static inline unsigned long pud_bad(pud_t pud) #define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT)) /* FIXME: is this right? */ #define pte_page(x) pfn_to_page(pte_pfn(x)) -#define pte_pfn(x) ((pte_val(x) >> PAGE_SHIFT) & __PHYSICAL_MASK) +#define pte_pfn(x) ((pte_val(x) & __PHYSICAL_MASK) >> PAGE_SHIFT) static inline pte_t pfn_pte(unsigned long page_nr, pgprot_t pgprot) { @@ -353,7 +353,7 @@ static inline pud_t *__pud_offset_k(pud_t *pud, unsigned long address) #define pmd_clear(xp) do { set_pmd(xp, __pmd(0)); } while (0) #define pmd_bad(x) ((pmd_val(x) & (~PTE_MASK & ~_PAGE_USER)) != _KERNPG_TABLE ) #define pfn_pmd(nr,prot) (__pmd(((nr) << PAGE_SHIFT) | pgprot_val(prot))) -#define pmd_pfn(x) ((pmd_val(x) >> PAGE_SHIFT) & __PHYSICAL_MASK) +#define pmd_pfn(x) ((pmd_val(x) & __PHYSICAL_MASK) >> PAGE_SHIFT) #define pte_to_pgoff(pte) ((pte_val(pte) & PHYSICAL_PAGE_MASK) >> PAGE_SHIFT) #define pgoff_to_pte(off) ((pte_t) { ((off) << PAGE_SHIFT) | _PAGE_FILE }) |