in isolate_migratepages() have check page in LRU twice, the next one at _isolate_lru_page(). Signed-off-by: Figo.zhang <figo1802@xxxxxxxxx> --- mm/compaction.c | 3 --- 1 files changed, 0 insertions(+), 3 deletions(-) diff --git a/mm/compaction.c b/mm/compaction.c index 021a296..ac605cb 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -321,9 +321,6 @@ static unsigned long isolate_migratepages(struct zone *zone, continue; } - if (!PageLRU(page)) - continue; - /* * PageLRU is set, and lru_lock excludes isolation, * splitting and collapsing (collapsing has already -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>