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| author | Mel Gorman <mgorman@techsingularity.net> | 2022-03-23 00:43:33 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-03-23 01:57:06 +0300 |
| commit | 35b6d770e6334aa470080570f0f81c8b74a07afd (patch) | |
| tree | bfd767977bc24462df79ffa4acb8abfd0846d4f2 /include/linux/debugobjects.h | |
| parent | ca7b59b1de72450b3e696bada3506a519ac5455c (diff) | |
| download | linux-35b6d770e6334aa470080570f0f81c8b74a07afd.tar.xz | |
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/20220217002227.5739-3-mgorman@techsingularity.net
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Tested-by: Aaron Lu <aaron.lu@intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Jesper Dangaard Brouer <brouer@redhat.com>
Cc: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/debugobjects.h')
0 files changed, 0 insertions, 0 deletions