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authorJeremy Fitzhardinge <jeremy@goop.org>2009-02-05 20:30:45 +0100
committerJeremy Fitzhardinge <jeremy@goop.org>2009-02-06 21:28:37 +0100
commit7c683851d96c8313586c0695b25ca41bde9f0f73 (patch)
tree3de069c8293238ab5a6e3b2c60068b2ae807bace /arch/x86/include/asm/pgtable.h
parentx86: unify pte_same (diff)
downloadlinux-7c683851d96c8313586c0695b25ca41bde9f0f73.tar.xz
linux-7c683851d96c8313586c0695b25ca41bde9f0f73.zip
x86: unify pte_present
Impact: cleanup Unify and demacro pte_present. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Diffstat (limited to 'arch/x86/include/asm/pgtable.h')
-rw-r--r--arch/x86/include/asm/pgtable.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index e929d43753c5..17fcc17d6b4f 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -440,6 +440,11 @@ static inline int pte_same(pte_t a, pte_t b)
return a.pte == b.pte;
}
+static inline int pte_present(pte_t a)
+{
+ return pte_flags(a) & (_PAGE_PRESENT | _PAGE_PROTNONE);
+}
+
#endif /* __ASSEMBLY__ */
#ifdef CONFIG_X86_32