From 2ff76f1193f8481f7e6c29304eea4006e8e51569 Mon Sep 17 00:00:00 2001 From: KAMEZAWA Hiroyuki Date: Wed, 21 Mar 2012 16:34:25 -0700 Subject: memcg: remove PCG_FILE_MAPPED With the new lock scheme for updating memcg's page stat, we don't need a flag PCG_FILE_MAPPED which was duplicated information of page_mapped(). [hughd@google.com: cosmetic fix] [hughd@google.com: add comment to MEM_CGROUP_CHARGE_TYPE_MAPPED case in __mem_cgroup_uncharge_common()] Signed-off-by: KAMEZAWA Hiroyuki Acked-by: Greg Thelen Acked-by: Johannes Weiner Cc: Michal Hocko Cc: KOSAKI Motohiro Cc: Ying Han Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/page_cgroup.h | 6 ------ 1 file changed, 6 deletions(-) (limited to 'include') diff --git a/include/linux/page_cgroup.h b/include/linux/page_cgroup.h index 7a3af748f32b..a88cdba27809 100644 --- a/include/linux/page_cgroup.h +++ b/include/linux/page_cgroup.h @@ -6,8 +6,6 @@ enum { PCG_LOCK, /* Lock for pc->mem_cgroup and following bits. */ PCG_USED, /* this object is in use. */ PCG_MIGRATION, /* under page migration */ - /* flags for mem_cgroup and file and I/O status */ - PCG_FILE_MAPPED, /* page is accounted as "mapped" */ __NR_PCG_FLAGS, }; @@ -66,10 +64,6 @@ TESTPCGFLAG(Used, USED) CLEARPCGFLAG(Used, USED) SETPCGFLAG(Used, USED) -SETPCGFLAG(FileMapped, FILE_MAPPED) -CLEARPCGFLAG(FileMapped, FILE_MAPPED) -TESTPCGFLAG(FileMapped, FILE_MAPPED) - SETPCGFLAG(Migration, MIGRATION) CLEARPCGFLAG(Migration, MIGRATION) TESTPCGFLAG(Migration, MIGRATION) -- cgit v1.2.3