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x86: introduce canon_pgprot()

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Introduce canon_pgprot()

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Andi Kleen 2008-01-30 13:33:53 +01:00 committed by Ingo Molnar
parent 895bdc2995
commit 1e8e23bc46
1 changed files with 2 additions and 0 deletions
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include/asm-x86/pgtable.h
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@ -189,6 +189,8 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
#define pte_pgprot(x) __pgprot(pte_val(x) & (0xfff | _PAGE_NX))
#define canon_pgprot(p) __pgprot(pgprot_val(p) & __supported_pte_mask)
#ifdef CONFIG_PARAVIRT
#include <asm/paravirt.h>
#else /* !CONFIG_PARAVIRT */