acct_isolated of compaction uses page_lru_base_type which returns only base type of LRU list so it never returns LRU_ACTIVE_ANON or LRU_ACTIVE_FILE. So it's pointless to add lru[LRU_ACTIVE_[ANON|FILE]] to get sum. Cc: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> Cc: Mel Gorman <mgorman@xxxxxxx> Cc: Rik van Riel <riel@xxxxxxxxxx> Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx> Signed-off-by: Minchan Kim <minchan.kim@xxxxxxxxx> --- mm/compaction.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/compaction.c b/mm/compaction.c index 9f80b5a..653b02b 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -219,8 +219,8 @@ static void acct_isolated(struct zone *zone, struct compact_control *cc) count[lru]++; } - cc->nr_anon = count[LRU_ACTIVE_ANON] + count[LRU_INACTIVE_ANON]; - cc->nr_file = count[LRU_ACTIVE_FILE] + count[LRU_INACTIVE_FILE]; + cc->nr_anon = count[LRU_INACTIVE_ANON]; + cc->nr_file = count[LRU_INACTIVE_FILE]; __mod_zone_page_state(zone, NR_ISOLATED_ANON, cc->nr_anon); __mod_zone_page_state(zone, NR_ISOLATED_FILE, cc->nr_file); } -- 1.7.1 -- 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>