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| author |   Zachary Amsden <zach@vmware.com> | 2007-05-02 19:27:19 +0200 |
|---|---|---|
| committer |   Andi Kleen <andi@basil.nowhere.org> | 2007-05-02 19:27:19 +0200 |
| commit | 9e5e3162b2d5e4466187ecd63c9eec2de33cb7bc (patch) | |
| tree | e0d9231574833f17b509bc2ca1971af90f657eb2 /include/asm-i386/pgtable-2level.h | |
| parent | [PATCH] i386: pte xchg optimization (diff) | |
| download | linux-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-2level.h')
| -rw-r--r-- | include/asm-i386/pgtable-2level.h | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/include/asm-i386/pgtable-2level.h b/include/asm-i386/pgtable-2level.h index 3daab67cd366..a50fd1773de8 100644 --- a/include/asm-i386/pgtable-2level.h +++ b/include/asm-i386/pgtable-2level.h @@ -41,16 +41,6 @@ static inline void native_pte_clear(struct mm_struct *mm, unsigned long addr, pt *xp = __pte(0); } -/* 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 *xp) { |