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Subject[PATCH 1/7] cgroups: Shrink struct cgroup_subsys
On x86_32, sizeof(struct cgroup_subsys) shrinks from 276 bytes
to 264.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
---
include/linux/cgroup.h | 10 ++++++----
1 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index ed4ba11..e23ded6 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -481,14 +481,16 @@ struct cgroup_subsys {
void (*bind)(struct cgroup_subsys *ss, struct cgroup *root);

int subsys_id;
- int active;
- int disabled;
- int early_init;
+
+ unsigned int active:1;
+ unsigned int disabled:1;
+ unsigned int early_init:1;
/*
* True if this subsys uses ID. ID is not available before cgroup_init()
* (not available in early_init time.)
*/
- bool use_id;
+ unsigned int use_id:1;
+
#define MAX_CGROUP_TYPE_NAMELEN 32
const char *name;

--
1.7.0.1


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