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author | Mel Gorman <mgorman@techsingularity.net> | 2021-06-28 19:42:21 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-06-29 10:53:54 -0700 |
commit | c49c2c47dab6b8d45022b3fabf0642a0e62e3109 (patch) | |
tree | 4a5929d0291298c04a6b8af7958ce77bbca64bb9 /kernel/sysctl.c | |
parent | 3b12e7e97938424de2bb1b95ba0bd6a49bad39f9 (diff) | |
download | linux-c49c2c47dab6b8d45022b3fabf0642a0e62e3109.tar.gz |
mm/page_alloc: limit the number of pages on PCP lists when reclaim is active
When kswapd is active then direct reclaim is potentially active. In either case, it is possible that a zone would be balanced if pages were not trapped on PCP lists. Instead of draining remote pages, simply limit the size of the PCP lists while kswapd is active. Link: https://lkml.kernel.org/r/20210525080119.5455-6-mgorman@techsingularity.net Signed-off-by: Mel Gorman <mgorman@techsingularity.net> Acked-by: Vlastimil Babka <vbabka@suse.cz> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Hillf Danton <hdanton@sina.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 'kernel/sysctl.c')
0 files changed, 0 insertions, 0 deletions