diff options
| author | KOSAKI Motohiro <[email protected]> | 2012-01-10 15:08:07 -0800 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2012-01-10 16:30:44 -0800 |
| commit | 6bd4837de96e7d9f9bf33e59117c24fc230862ac (patch) | |
| tree | 633d23438e31aeef61063c6de490cc5696f4e5f5 /tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/SchedGui.py | |
| parent | 948f017b093a9baac23855fcd920d3a970b71bb6 (diff) | |
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 <[email protected]>
Reviewed-by: KAMEZAWA Hiroyuki <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Shaohua Li <[email protected]>
Cc: Michal Hocko <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/SchedGui.py')
0 files changed, 0 insertions, 0 deletions