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authorJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-06-10 13:47:26 -0500
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-06-10 13:47:26 -0500
commitf0cd91a68acdc9b49d7f6738b514a426da627649 (patch)
tree8ad73564015794197583b094217ae0a71e71e753 /include/asm-i386/pgtable-2level.h
parent60eef25701d25e99c991dd0f4a9f3832a0c3ad3e (diff)
parent128e6ced247cda88f96fa9f2e4ba8b2c4a681560 (diff)
Merge ../linux-2.6
Diffstat (limited to 'include/asm-i386/pgtable-2level.h')
-rw-r--r--include/asm-i386/pgtable-2level.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-i386/pgtable-2level.h b/include/asm-i386/pgtable-2level.h
index 27bde973abc..2756d4b04c2 100644
--- a/include/asm-i386/pgtable-2level.h
+++ b/include/asm-i386/pgtable-2level.h
@@ -18,6 +18,9 @@
#define set_pte_atomic(pteptr, pteval) set_pte(pteptr,pteval)
#define set_pmd(pmdptr, pmdval) (*(pmdptr) = (pmdval))
+#define pte_clear(mm,addr,xp) do { set_pte_at(mm, addr, xp, __pte(0)); } while (0)
+#define pmd_clear(xp) do { set_pmd(xp, __pmd(0)); } while (0)
+
#define ptep_get_and_clear(mm,addr,xp) __pte(xchg(&(xp)->pte_low, 0))
#define pte_same(a, b) ((a).pte_low == (b).pte_low)
#define pte_page(x) pfn_to_page(pte_pfn(x))