The comment about order applied when the check was order > PAGE_ALLOC_COSTLY_ORDER which has not been the case since [c5a73c3d: thp: use compaction for all allocation orders]. Fixing the comment while I'm in the general area. Signed-off-by: Mel Gorman <mgorman@xxxxxxx> Reviewed-by: Rik van Riel <riel@xxxxxxxxxx> Reviewed-by: Minchan Kim <minchan@xxxxxxxxxx> --- mm/compaction.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/mm/compaction.c b/mm/compaction.c index 36276e6..ea588eb 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -812,11 +812,7 @@ unsigned long try_to_compact_pages(struct zonelist *zonelist, struct zone *zone; int rc = COMPACT_SKIPPED; - /* - * Check whether it is worth even starting compaction. The order check is - * made because an assumption is made that the page allocator can satisfy - * the "cheaper" orders without taking special steps - */ + /* Check if the GFP flags allow compaction */ if (!order || !may_enter_fs || !may_perform_io) return rc; -- 1.7.9.2 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>