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    SubjectRe: [PATCH 2/4] mm/memcg: mem_cgroup_per_node is already set to 0 on allocation
    On Tue 11-01-22 01:03:00, Wei Yang wrote:
    > kzalloc_node() would set data to 0, so it's not necessary to set it
    > again.
    >
    > Signed-off-by: Wei Yang <richard.weiyang@gmail.com>

    Acked-by: Michal Hocko <mhocko@suse.com>

    > ---
    > mm/memcontrol.c | 2 --
    > 1 file changed, 2 deletions(-)
    >
    > diff --git a/mm/memcontrol.c b/mm/memcontrol.c
    > index 11715f7323c0..a504616f904a 100644
    > --- a/mm/memcontrol.c
    > +++ b/mm/memcontrol.c
    > @@ -5067,8 +5067,6 @@ static int alloc_mem_cgroup_per_node_info(struct mem_cgroup *memcg, int node)
    > }
    >
    > lruvec_init(&pn->lruvec);
    > - pn->usage_in_excess = 0;
    > - pn->on_tree = false;
    > pn->memcg = memcg;
    >
    > memcg->nodeinfo[node] = pn;
    > --
    > 2.33.1

    --
    Michal Hocko
    SUSE Labs

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