From acb6d558f4c8fbacc8e774c9d7737220a3777882 Mon Sep 17 00:00:00 2001 From: Michal Hocko Date: Mon, 29 Apr 2013 15:07:43 -0700 Subject: memcg: do not check for do_swap_account in mem_cgroup_{read,write,reset} Since commit 2d11085e404f ("memcg: do not create memsw files if swap accounting is disabled") memsw files are created only if memcg swap accounting is enabled so it doesn't make any sense to check for it explicitly in mem_cgroup_read(), mem_cgroup_write() and mem_cgroup_reset(). Signed-off-by: Michal Hocko Cc: Kamezawa Hiroyuki Cc: Tejun Heo Acked-by: Johannes Weiner Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/memcontrol.c | 9 --------- 1 file changed, 9 deletions(-) (limited to 'mm') diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 2bdac3ececd0..d280016039f2 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -5025,9 +5025,6 @@ static ssize_t mem_cgroup_read(struct cgroup *cont, struct cftype *cft, type = MEMFILE_TYPE(cft->private); name = MEMFILE_ATTR(cft->private); - if (!do_swap_account && type == _MEMSWAP) - return -EOPNOTSUPP; - switch (type) { case _MEM: if (name == RES_USAGE) @@ -5162,9 +5159,6 @@ static int mem_cgroup_write(struct cgroup *cont, struct cftype *cft, type = MEMFILE_TYPE(cft->private); name = MEMFILE_ATTR(cft->private); - if (!do_swap_account && type == _MEMSWAP) - return -EOPNOTSUPP; - switch (name) { case RES_LIMIT: if (mem_cgroup_is_root(memcg)) { /* Can't set limit on root */ @@ -5241,9 +5235,6 @@ static int mem_cgroup_reset(struct cgroup *cont, unsigned int event) type = MEMFILE_TYPE(event); name = MEMFILE_ATTR(event); - if (!do_swap_account && type == _MEMSWAP) - return -EOPNOTSUPP; - switch (name) { case RES_MAX_USAGE: if (type == _MEM) -- cgit v1.2.3