As per documentation and other places calling putback_lru_pages, on error only, except for CMA. I am not sure this is a problem for CMA or not. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx> --- mm/page_alloc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 83637df..5a887bf 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -5802,8 +5802,8 @@ static int __alloc_contig_migrate_range(struct compact_control *cc, alloc_migrate_target, 0, false, MIGRATE_SYNC); } - - putback_movable_pages(&cc->migratepages); + if (ret < 0) + putback_movable_pages(&cc->migratepages); return ret > 0 ? 0 : ret; } -- 1.7.11.7 -- 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>