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uml: 64-bit tlb fixes

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Some 64-bit tlb fixes -
	moved pmd_page_vaddr to pgtable.h since it's the same for both
2-level and 3-level page tables
	fixed a bogus cast on pud_page_vaddr
	made the address checking in update_*_range more careful

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jeff Dike
2008-02-04 22:31:06 -08:00
committed by Linus Torvalds
parent 1adfd6095e
commit 909e90d3c4
4 changed files with 8 additions and 9 deletions
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3
include/asm-um/pgtable-3level.h
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@@ -87,8 +87,7 @@ static inline void pud_clear (pud_t *pud)
}
#define pud_page(pud) phys_to_page(pud_val(pud) & PAGE_MASK)
#define pud_page_vaddr(pud) \
((struct page *) __va(pud_val(pud) & PAGE_MASK))
#define pud_page_vaddr(pud) ((unsigned long) __va(pud_val(pud) & PAGE_MASK))
/* Find an entry in the second-level page table.. */
#define pmd_offset(pud, address) ((pmd_t *) pud_page_vaddr(*(pud)) + \