memcg: make global var read_mostly

mem_cgroup_subsys and page_cgroup_cache should be read_mostly and
MEM_CGROUP_RECLAIM_RETRIES can be just a fixed number.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Acked-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
KAMEZAWA Hiroyuki 2008-07-25 01:47:08 -07:00 committed by Linus Torvalds
parent 7759fc9d10
commit a181b0e888

View File

@ -35,9 +35,9 @@
#include <asm/uaccess.h> #include <asm/uaccess.h>
struct cgroup_subsys mem_cgroup_subsys; struct cgroup_subsys mem_cgroup_subsys __read_mostly;
static const int MEM_CGROUP_RECLAIM_RETRIES = 5; static struct kmem_cache *page_cgroup_cache __read_mostly;
static struct kmem_cache *page_cgroup_cache; #define MEM_CGROUP_RECLAIM_RETRIES 5
/* /*
* Statistics for memory cgroup. * Statistics for memory cgroup.