diff options
| author | Hirokazu Takahashi <taka@valinux.co.jp> | 2009-01-07 18:08:02 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-08 08:31:05 -0800 |
| commit | f8d665422603ee1b8ed04dcad4242f14d623c941 (patch) | |
| tree | d872a12113998ed99ce22247091c481b9f465faa /include/linux/memcontrol.h | |
| parent | 08e552c69c6930d64722de3ec18c51844d06ee28 (diff) | |
| download | lwn-f8d665422603ee1b8ed04dcad4242f14d623c941.tar.gz lwn-f8d665422603ee1b8ed04dcad4242f14d623c941.zip | |
memcg: add mem_cgroup_disabled()
We check mem_cgroup is disabled or not by checking
mem_cgroup_subsys.disabled. I think it has more references than expected,
now.
replacing
if (mem_cgroup_subsys.disabled)
with
if (mem_cgroup_disabled())
give us good look, I think.
[kamezawa.hiroyu@jp.fujitsu.com: fix typo]
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/memcontrol.h')
| -rw-r--r-- | include/linux/memcontrol.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 32c07b1852d6..472efd09118c 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -19,7 +19,7 @@ #ifndef _LINUX_MEMCONTROL_H #define _LINUX_MEMCONTROL_H - +#include <linux/cgroup.h> struct mem_cgroup; struct page_cgroup; struct page; @@ -87,6 +87,14 @@ extern long mem_cgroup_calc_reclaim(struct mem_cgroup *mem, struct zone *zone, #ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP extern int do_swap_account; #endif + +static inline bool mem_cgroup_disabled(void) +{ + if (mem_cgroup_subsys.disabled) + return true; + return false; +} + #else /* CONFIG_CGROUP_MEM_RES_CTLR */ struct mem_cgroup; @@ -214,6 +222,11 @@ static inline long mem_cgroup_calc_reclaim(struct mem_cgroup *mem, { return 0; } + +static inline bool mem_cgroup_disabled(void) +{ + return true; +} #endif /* CONFIG_CGROUP_MEM_CONT */ #endif /* _LINUX_MEMCONTROL_H */ |