diff options
| author | Baolin Wang <[email protected]> | 2023-05-25 20:54:01 +0800 |
|---|---|---|
| committer | Andrew Morton <[email protected]> | 2023-06-09 16:25:43 -0700 |
| commit | a8d13355c660255266ece529e81e6cb26754941a (patch) | |
| tree | dfe2bd54483341d923702fd88748062fe565a5ce /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | 447ba88658faa8dbfd29d557daa38b7d88f460ec (diff) | |
mm: compaction: skip fast freepages isolation if enough freepages are isolated
I've observed that fast isolation often isolates more pages than
cc->migratepages, and the excess freepages will be released back to the
buddy system. So skip fast freepages isolation if enough freepages are
isolated to save some CPU cycles.
Link: https://lkml.kernel.org/r/f39c2c07f2dba2732fd9c0843572e5bef96f7f67.1685018752.git.baolin.wang@linux.alibaba.com
Signed-off-by: Baolin Wang <[email protected]>
Acked-by: Vlastimil Babka <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Johannes Weiner <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions