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    Subject[PATCH 1/6] memcg: fix unused variable warning
    Date
    From: "Kirill A. Shutemov" <kirill@shutemov.name>

    mm/memcontrol.c: In function ‘memcg_check_events’:
    mm/memcontrol.c:784:22: warning: unused variable ‘do_numainfo’ [-Wunused-variable]

    Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
    ---
    mm/memcontrol.c | 7 ++++---
    1 files changed, 4 insertions(+), 3 deletions(-)
    diff --git a/mm/memcontrol.c b/mm/memcontrol.c
    index d643bd6..a5e92bd 100644
    --- a/mm/memcontrol.c
    +++ b/mm/memcontrol.c
    @@ -781,14 +781,15 @@ static void memcg_check_events(struct mem_cgroup *memcg, struct page *page)
    /* threshold event is triggered in finer grain than soft limit */
    if (unlikely(mem_cgroup_event_ratelimit(memcg,
    MEM_CGROUP_TARGET_THRESH))) {
    - bool do_softlimit, do_numainfo;
    + bool do_softlimit;

    - do_softlimit = mem_cgroup_event_ratelimit(memcg,
    - MEM_CGROUP_TARGET_SOFTLIMIT);
    #if MAX_NUMNODES > 1
    + bool do_numainfo;
    do_numainfo = mem_cgroup_event_ratelimit(memcg,
    MEM_CGROUP_TARGET_NUMAINFO);
    #endif
    + do_softlimit = mem_cgroup_event_ratelimit(memcg,
    + MEM_CGROUP_TARGET_SOFTLIMIT);
    preempt_enable();

    mem_cgroup_threshold(memcg);
    --
    1.7.7.3
    --
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