linux-kernel - Re: [PATCH 2/4] mm/memcg: mem_cgroup_per_node is already set to 0 on allocation

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Message-ID: <CAMZfGtWBt+qYB1-NS+G8Tzk0pm6UZGvENZFBWrz+i35=N1kOAw@mail.gmail.com>
Date:   Tue, 11 Jan 2022 10:25:37 +0800
From:   Muchun Song <songmuchun@...edance.com>
To:     Wei Yang <richard.weiyang@...il.com>
Cc:     Johannes Weiner <hannes@...xchg.org>,
        Michal Hocko <mhocko@...nel.org>,
        Vladimir Davydov <vdavydov.dev@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Shakeel Butt <shakeelb@...gle.com>,
        Roman Gushchin <guro@...com>, Vlastimil Babka <vbabka@...e.cz>,
        Matthew Wilcox <willy@...radead.org>,
        Yang Shi <shy828301@...il.com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Cgroups <cgroups@...r.kernel.org>,
        Linux Memory Management List <linux-mm@...ck.org>
Subject: Re: [PATCH 2/4] mm/memcg: mem_cgroup_per_node is already set to 0 on allocation

On Tue, Jan 11, 2022 at 9:03 AM Wei Yang <richard.weiyang@...il.com> wrote:
>
> kzalloc_node() would set data to 0, so it's not necessary to set it
> again.
>
> Signed-off-by: Wei Yang <richard.weiyang@...il.com>

Reviewed-by: Muchun Song <songmuchun@...edance.com>

Thanks.