The patch titled
memcg: make global var read_mostly
has been added to the -mm tree. Its filename is
memcg-make-global-var-read_mostly.patch
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------------------------------------------------------
Subject: memcg: make global var read_mostly
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxx>
Acked-by: Balbir Singh <balbir@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memcontrol.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff -puN mm/memcontrol.c~memcg-make-global-var-read_mostly mm/memcontrol.c
--- a/mm/memcontrol.c~memcg-make-global-var-read_mostly
+++ a/mm/memcontrol.c
@@ -35,9 +35,9 @@
#include <asm/uaccess.h>
-struct cgroup_subsys mem_cgroup_subsys;
-static const int MEM_CGROUP_RECLAIM_RETRIES = 5;
-static struct kmem_cache *page_cgroup_cache;
+struct cgroup_subsys mem_cgroup_subsys __read_mostly;
+static struct kmem_cache *page_cgroup_cache __read_mostly;
+#define MEM_CGROUP_RECLAIM_RETRIES 5
/*
* Statistics for memory cgroup.
_
Patches currently in -mm which might be from kamezawa.hiroyu@xxxxxxxxxxxxxx are
memcg-fix-possible-panic-when-config_mm_owner=y.patch
memcg-fix-possible-panic-when-config_mm_owner=y-checkpatch-fixes.patch
cgroups-fix-documentation.patch
memory-hotplug-memmap_init_zone-called-twice.patch
mark-res_counter_charge_locked-with-__must_check.patch
memcg-make-global-var-read_mostly.patch
memcg-avoid-unnecessary-initialization.patch
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