summaryrefslogtreecommitdiffstats
path: root/arch/x86/include/asm/pgtable.h
diff options
context:
space:
mode:
authorJeremy Fitzhardinge <jeremy@goop.org>2009-02-05 20:31:13 +0100
committerJeremy Fitzhardinge <jeremy@goop.org>2009-02-06 21:31:51 +0100
commitdeb79cfb365c96ff960570d1bcf2c205424b6195 (patch)
treed18b2806eba47ae6d1bc6f5d3054210d7a4e5743 /arch/x86/include/asm/pgtable.h
parentx86: unify pages_to_mb (diff)
downloadlinux-deb79cfb365c96ff960570d1bcf2c205424b6195.tar.xz
linux-deb79cfb365c96ff960570d1bcf2c205424b6195.zip
x86: unify pud_none
Impact: cleanup Unify and demacro pud_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 d4cbc8188c8a..0ef49f3ebc88 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -525,6 +525,11 @@ static inline unsigned long pages_to_mb(unsigned long npg)
}
#if PAGETABLE_LEVELS > 2
+static inline int pud_none(pud_t pud)
+{
+ return pud_val(pud) == 0;
+}
+
static inline int pud_present(pud_t pud)
{
return pud_val(pud) & _PAGE_PRESENT;