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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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