diff options
| author | Mel Gorman <[email protected]> | 2022-03-22 14:43:33 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2022-03-22 15:57:06 -0700 |
| commit | 35b6d770e6334aa470080570f0f81c8b74a07afd (patch) | |
| tree | bfd767977bc24462df79ffa4acb8abfd0846d4f2 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | ca7b59b1de72450b3e696bada3506a519ac5455c (diff) | |
mm/page_alloc: track range of active PCP lists during bulk free
free_pcppages_bulk() frees pages in a round-robin fashion. Originally,
this was dealing only with migratetypes but storing high-order pages
means that there can be many more empty lists that are uselessly
checked. Track the minimum and maximum active pindex to reduce the
search space.
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Mel Gorman <[email protected]>
Reviewed-by: Vlastimil Babka <[email protected]>
Tested-by: Aaron Lu <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Jesper Dangaard Brouer <[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/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions