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authorMel Gorman <mgorman@techsingularity.net>2023-01-25 14:44:32 +0100
committerAndrew Morton <akpm@linux-foundation.org>2023-02-03 07:33:30 +0100
commit16b3be4034316bf56a171478cf1dccdf94dede43 (patch)
tree9cd103253f0a04b489215017c009d25c543633a0 /mm/compaction.c
parentmm, compaction: rename compact_control->rescan to finish_pageblock (diff)
downloadlinux-16b3be4034316bf56a171478cf1dccdf94dede43.tar.xz
linux-16b3be4034316bf56a171478cf1dccdf94dede43.zip
mm, compaction: check if a page has been captured before draining PCP pages
If a page has been captured then draining is unnecssary so check first for a captured page. Link: https://lkml.kernel.org/r/20230125134434.18017-3-mgorman@techsingularity.net Signed-off-by: Mel Gorman <mgorman@techsingularity.net> Cc: Chuyi Zhou <zhouchuyi@bytedance.com> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Maxim Levitsky <mlevitsk@redhat.com> Cc: Michal Hocko <mhocko@kernel.org> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Pedro Falcato <pedro.falcato@gmail.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/compaction.c')
-rw-r--r--mm/compaction.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/mm/compaction.c b/mm/compaction.c
index 28a9596609fe..a86559910fd9 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -2439,6 +2439,12 @@ compact_zone(struct compact_control *cc, struct capture_control *capc)
}
}
+ /* Stop if a page has been captured */
+ if (capc && capc->page) {
+ ret = COMPACT_SUCCESS;
+ break;
+ }
+
check_drain:
/*
* Has the migration scanner moved away from the previous
@@ -2457,12 +2463,6 @@ check_drain:
last_migrated_pfn = 0;
}
}
-
- /* Stop if a page has been captured */
- if (capc && capc->page) {
- ret = COMPACT_SUCCESS;
- break;
- }
}
out: