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x86: add PTE_FLAGS_MASK

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PTE_PFN_MASK was getting lonely, so I made it a friend.

Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Jeremy Fitzhardinge
2008-07-21 22:59:56 -07:00
committed by Ingo Molnar
parent 59438c9fc4
commit 77be1fabd0
5 changed files with 11 additions and 8 deletions
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include/asm-x86/pgtable.h
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@@ -286,7 +286,7 @@ static inline pgprot_t pgprot_modify(pgprot_t oldprot, pgprot_t newprot)
return __pgprot(preservebits | addbits);
}
#define pte_pgprot(x) __pgprot(pte_flags(x) & ~PTE_PFN_MASK)
#define pte_pgprot(x) __pgprot(pte_flags(x) & PTE_FLAGS_MASK)
#define canon_pgprot(p) __pgprot(pgprot_val(p) & __supported_pte_mask)