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authorZachary Amsden <zach@vmware.com>2007-05-02 19:27:19 +0200
committerAndi Kleen <andi@basil.nowhere.org>2007-05-02 19:27:19 +0200
commit9e5e3162b2d5e4466187ecd63c9eec2de33cb7bc (patch)
treee0d9231574833f17b509bc2ca1971af90f657eb2 /include/asm-i386/pgtable-3level.h
parent[PATCH] i386: pte xchg optimization (diff)
downloadlinux-dev-9e5e3162b2d5e4466187ecd63c9eec2de33cb7bc.tar.xz
linux-dev-9e5e3162b2d5e4466187ecd63c9eec2de33cb7bc.zip
[PATCH] i386: pte simplify ops
Add comment and condense code to make use of native_local_ptep_get_and_clear function. Also, it turns out the 2-level and 3-level paging definitions were identical, so move the common definition into pgtable.h Signed-off-by: Zachary Amsden <zach@vmware.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de>
Diffstat (limited to 'include/asm-i386/pgtable-3level.h')
-rw-r--r--include/asm-i386/pgtable-3level.h10
1 files changed, 0 insertions, 10 deletions
diff --git a/include/asm-i386/pgtable-3level.h b/include/asm-i386/pgtable-3level.h
index 45b024181507..eb0f1d7e96a1 100644
--- a/include/asm-i386/pgtable-3level.h
+++ b/include/asm-i386/pgtable-3level.h
@@ -139,16 +139,6 @@ static inline void pud_clear (pud_t * pud) { }
#define pmd_offset(pud, address) ((pmd_t *) pud_page(*(pud)) + \
pmd_index(address))
-/* local pte updates need not use xchg for locking */
-static inline pte_t native_local_ptep_get_and_clear(pte_t *ptep)
-{
- pte_t res;
-
- res = *ptep;
- native_pte_clear(NULL, 0, ptep);
- return res;
-}
-
#ifdef CONFIG_SMP
static inline pte_t native_ptep_get_and_clear(pte_t *ptep)
{