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authorAndi Kleen <ak@suse.de>2008-01-30 13:33:53 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-30 13:33:53 +0100
commit1e8e23bc469a11fc190a6bace857075d83dc2555 (patch)
tree9ddc60959b73a194e07756be04576197bd26cdcb /include/asm-x86/pgtable.h
parent895bdc29956e5c9e9e101b2b1c2f0ed34130f945 (diff)
x86: introduce canon_pgprot()
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>
Diffstat (limited to 'include/asm-x86/pgtable.h')
-rw-r--r--include/asm-x86/pgtable.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h
index 2f93723a3e1..2726ddc457f 100644
--- a/include/asm-x86/pgtable.h
+++ b/include/asm-x86/pgtable.h
@@ -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 */