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| author | Johannes Weiner <hannes@cmpxchg.org> | 2024-03-27 15:01:11 -0400 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-04-25 20:56:05 -0700 |
| commit | 883dd161e9a83e188487debc562b1928917a4b39 (patch) | |
| tree | bbe025ffd5ec026bb95bf84dc4ca96254dec4cfd /tools/perf/scripts/python/export-to-sqlite.py | |
| parent | e1f42a577f63647dadf1abe4583053c03d6be045 (diff) | |
| download | linux-883dd161e9a83e188487debc562b1928917a4b39.tar.gz linux-883dd161e9a83e188487debc562b1928917a4b39.zip | |
mm: page_alloc: batch vmstat updates in expand()
expand() currently updates vmstat for every subpage. This is unnecessary,
since they're all of the same zone and migratetype.
Count added pages locally, then do a single vmstat update.
Link: https://lkml.kernel.org/r/20240327190111.GC7597@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Suggested-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-sqlite.py')
0 files changed, 0 insertions, 0 deletions