cc->finish_pageblock is set when the current pageblock should be rescanned but fast_find_migrateblock can select an alternative block. Disable fast_find_migrateblock when the current pageblock scan should be completed. Signed-off-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> --- mm/compaction.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/mm/compaction.c b/mm/compaction.c index 28711a21a8a2..4b3a0238879c 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -1762,6 +1762,13 @@ static unsigned long fast_find_migrateblock(struct compact_control *cc) if (cc->ignore_skip_hint) return pfn; + /* + * If the pageblock should be finished then do not select a different + * pageblock. + */ + if (cc->finish_pageblock) + return pfn; + /* * If the migrate_pfn is not at the start of a zone or the start * of a pageblock then assume this is a continuation of a previous -- 2.35.3
