move_pages() syscall may return success in case that do_move_page_to_node_array return positive value which means migration failed. This patch changes return value of do_move_page_to_node_array for not returning positive value. It can fix the problem. Signed-off-by: Joonsoo Kim <js1304@xxxxxxxxx> Cc: Brice Goglin <brice@xxxxxxxx> Cc: Christoph Lameter <cl@xxxxxxxxx> Cc: Minchan Kim <minchan@xxxxxxxxxx> diff --git a/mm/migrate.c b/mm/migrate.c index f495c58..eeaf409 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1172,7 +1172,7 @@ set_status: } up_read(&mm->mmap_sem); - return err; + return err > 0 ? -EBUSY : err; } /* -- 1.7.9.5 -- 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>