From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gioh Kim Subject: [PATCH 4/4] mm: remove direct calling of migration Date: Mon, 13 Jul 2015 17:35:19 +0900 Message-ID: <1436776519-17337-5-git-send-email-gioh.kim@lge.com> References: <1436776519-17337-1-git-send-email-gioh.kim@lge.com> Return-path: In-Reply-To: <1436776519-17337-1-git-send-email-gioh.kim-Hm3cg6mZ9cc@public.gmane.org> Sender: linux-api-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: jlayton-vpEMnDpepFuMZCB2o+C8xQ@public.gmane.org, bfields-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org, vbabka-AlSwsSmVLrQ@public.gmane.org, iamjoonsoo.kim-Hm3cg6mZ9cc@public.gmane.org, viro-RmSDqhL/yNMiFSDQTTA3OLVCufUGDwFn@public.gmane.org, mst-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, koct9i-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, minchan-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, aquini-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, virtualization-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org Cc: dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, Gioh Kim , Gioh Kim List-Id: linux-api@vger.kernel.org From: Gioh Kim Migration is completely generalized so that migrating mobile page is processed with lru-pages in move_to_new_page. Signed-off-by: Gioh Kim Acked-by: Rafael Aquini --- mm/migrate.c | 15 --------------- 1 file changed, 15 deletions(-) diff --git a/mm/migrate.c b/mm/migrate.c index 53f0081d..e6644ac 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -844,21 +844,6 @@ static int __unmap_and_move(struct page *page, struct page *newpage, } } - if (unlikely(mobile_page(page))) { - /* - * A mobile page does not need any special attention from - * physical to virtual reverse mapping procedures. - * Skip any attempt to unmap PTEs or to remap swap cache, - * in order to avoid burning cycles at rmap level, and perform - * the page migration right away (proteced by page lock). - */ - lock_page(newpage); - rc = page->mapping->a_ops->migratepage(page->mapping, - newpage, page, mode); - unlock_page(newpage); - goto out_unlock; - } - /* * Corner case handling: * 1. When a new swap-cache page is read into, it is added to the LRU -- 2.1.4