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    Subject[PATCH v4 08/25] memcg: change defines to an enum
    Date
    This is just a cleanup patch for clarity of expression.
    In earlier submissions, people asked it to be in a separate
    patch, so here it is.

    Signed-off-by: Glauber Costa <glommer@parallels.com>
    CC: Michal Hocko <mhocko@suse.cz>
    CC: Johannes Weiner <hannes@cmpxchg.org>
    Acked-by: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
    ---
    mm/memcontrol.c | 9 ++++++---
    1 file changed, 6 insertions(+), 3 deletions(-)

    diff --git a/mm/memcontrol.c b/mm/memcontrol.c
    index b6cb075..cc1fdb4 100644
    --- a/mm/memcontrol.c
    +++ b/mm/memcontrol.c
    @@ -374,9 +374,12 @@ enum charge_type {
    };

    /* for encoding cft->private value on file */
    -#define _MEM (0)
    -#define _MEMSWAP (1)
    -#define _OOM_TYPE (2)
    +enum res_type {
    + _MEM,
    + _MEMSWAP,
    + _OOM_TYPE,
    +};
    +
    #define MEMFILE_PRIVATE(x, val) (((x) << 16) | (val))
    #define MEMFILE_TYPE(val) (((val) >> 16) & 0xffff)
    #define MEMFILE_ATTR(val) ((val) & 0xffff)
    --
    1.7.10.2


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