diff options
Diffstat (limited to 'mm/compaction.c')
| -rw-r--r-- | mm/compaction.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/mm/compaction.c b/mm/compaction.c index 2c8999d027ab..a68230ab451d 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -1988,6 +1988,14 @@ static void kcompactd_do_work(pg_data_t *pgdat) compaction_defer_reset(zone, cc.order, false); } else if (status == COMPACT_PARTIAL_SKIPPED || status == COMPACT_COMPLETE) { /* + * Buddy pages may become stranded on pcps that could + * otherwise coalesce on the zone's free area for + * order >= cc.order. This is ratelimited by the + * upcoming deferral. + */ + drain_all_pages(zone); + + /* * We use sync migration mode here, so we defer like * sync direct compaction does. */ |