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authorJeremy Fitzhardinge <jeremy@goop.org>2009-02-05 11:31:14 -0800
committerJeremy Fitzhardinge <jeremy@goop.org>2009-02-06 12:31:51 -0800
commit7325cc2e333cdaaabd2103552458876ea85adb33 (patch)
tree1640e3993318aecac8213b5a0b0d662b9c004f6b /arch/x86/include/asm/pgtable.h
parentdeb79cfb365c96ff960570d1bcf2c205424b6195 (diff)
downloadlinux-7325cc2e333cdaaabd2103552458876ea85adb33.tar.bz2
x86: unify pgd_none
Impact: cleanup Unify and demacro pgd_none. 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 0ef49f3ebc88..18afcd31e76c 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -599,6 +599,11 @@ static inline int pgd_bad(pgd_t pgd)
{
return (pgd_val(pgd) & ~(PTE_PFN_MASK | _PAGE_USER)) != _KERNPG_TABLE;
}
+
+static inline int pgd_none(pgd_t pgd)
+{
+ return !pgd_val(pgd);
+}
#endif /* PAGETABLE_LEVELS > 3 */
#endif /* __ASSEMBLY__ */