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| author | KOSAKI Motohiro | 2012-01-11 00:08:07 +0100 |
|---|---|---|
| committer | Linus Torvalds | 2012-01-11 01:30:44 +0100 |
| commit | 6bd4837de96e7d9f9bf33e59117c24fc230862ac (patch) | |
| tree | 633d23438e31aeef61063c6de490cc5696f4e5f5 /mm/oom_kill.c | |
| parent | mremap: enforce rmap src/dst vma ordering in case of vma_merge() succeeding i... (diff) | |
| download | kernel-qcow2-linux-6bd4837de96e7d9f9bf33e59117c24fc230862ac.tar.gz kernel-qcow2-linux-6bd4837de96e7d9f9bf33e59117c24fc230862ac.tar.xz kernel-qcow2-linux-6bd4837de96e7d9f9bf33e59117c24fc230862ac.zip | |
mm: simplify find_vma_prev()
commit 297c5eee37 ("mm: make the vma list be doubly linked") added the
vm_prev member to vm_area_struct. We can simplify find_vma_prev() by
using it. Also, this change helps to improve page fault performance
because it has stronger locality of reference.
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Shaohua Li <shaohua.li@intel.com>
Cc: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/oom_kill.c')
0 files changed, 0 insertions, 0 deletions