From: Muchun Song <songmuchun@bytedance.com>
To: Miaohe Lin <linmiaohe@huawei.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>,
Michal Hocko <mhocko@kernel.org>,
Vladimir Davydov <vdavydov.dev@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Shakeel Butt <shakeelb@google.com>, Roman Gushchin <guro@fb.com>,
Matthew Wilcox <willy@infradead.org>, Alex Shi <alexs@kernel.org>,
Wei Yang <richard.weiyang@gmail.com>,
Linux Memory Management List <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
Cgroups <cgroups@vger.kernel.org>
Subject: Re: [PATCH 2/5] mm, memcg: narrow the scope of percpu_charge_mutex
Date: Fri, 30 Jul 2021 10:42:29 +0800 [thread overview]
Message-ID: <CAMZfGtWESFeDgV7H4N6ch+PpwYAkV+=qPJKiamnZ7sX=6t3e4g@mail.gmail.com> (raw)
In-Reply-To: <20210729125755.16871-3-linmiaohe@huawei.com>
On Thu, Jul 29, 2021 at 8:58 PM Miaohe Lin <linmiaohe@huawei.com> wrote:
>
> Since percpu_charge_mutex is only used inside drain_all_stock(), we can
> narrow the scope of percpu_charge_mutex by moving it here.
>
> Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
LGTM.
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
WARNING: multiple messages have this Message-ID (diff)
From: Muchun Song <songmuchun-EC8Uxl6Npydl57MIdRCFDg@public.gmane.org>
To: Miaohe Lin <linmiaohe-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
Cc: Johannes Weiner <hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>,
Michal Hocko <mhocko-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Vladimir Davydov
<vdavydov.dev-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Andrew Morton
<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
Shakeel Butt <shakeelb-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
Roman Gushchin <guro-b10kYP2dOMg@public.gmane.org>,
Matthew Wilcox <willy-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
Alex Shi <alexs-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Wei Yang
<richard.weiyang-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Linux Memory Management List
<linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org>,
LKML <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Cgroups <cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH 2/5] mm, memcg: narrow the scope of percpu_charge_mutex
Date: Fri, 30 Jul 2021 10:42:29 +0800 [thread overview]
Message-ID: <CAMZfGtWESFeDgV7H4N6ch+PpwYAkV+=qPJKiamnZ7sX=6t3e4g@mail.gmail.com> (raw)
In-Reply-To: <20210729125755.16871-3-linmiaohe-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
On Thu, Jul 29, 2021 at 8:58 PM Miaohe Lin <linmiaohe-hv44wF8Li93QT0dZR+AlfA@public.gmane.org> wrote:
>
> Since percpu_charge_mutex is only used inside drain_all_stock(), we can
> narrow the scope of percpu_charge_mutex by moving it here.
>
> Signed-off-by: Miaohe Lin <linmiaohe-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
LGTM.
Reviewed-by: Muchun Song <songmuchun-EC8Uxl6Npydl57MIdRCFDg@public.gmane.org>
next prev parent reply other threads:[~2021-07-30 2:43 UTC|newest]
Thread overview: 97+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-29 12:57 [PATCH 0/5] Cleanups and fixup for memcontrol Miaohe Lin
2021-07-29 12:57 ` Miaohe Lin
2021-07-29 12:57 ` [PATCH 1/5] mm, memcg: remove unused functions Miaohe Lin
2021-07-29 12:57 ` Miaohe Lin
2021-07-29 14:07 ` Shakeel Butt
2021-07-29 14:07 ` Shakeel Butt
2021-07-29 14:07 ` Shakeel Butt
2021-07-30 2:39 ` Muchun Song
2021-07-30 2:39 ` Muchun Song
2021-07-30 2:39 ` Muchun Song
2021-07-30 2:57 ` Roman Gushchin
2021-07-30 2:57 ` Roman Gushchin
2021-07-30 6:45 ` Michal Hocko
2021-07-30 6:45 ` Michal Hocko
2021-07-29 12:57 ` [PATCH 2/5] mm, memcg: narrow the scope of percpu_charge_mutex Miaohe Lin
2021-07-29 12:57 ` Miaohe Lin
2021-07-30 2:42 ` Muchun Song [this message]
2021-07-30 2:42 ` Muchun Song
2021-07-30 2:42 ` Muchun Song
2021-07-30 3:06 ` Roman Gushchin
2021-07-30 3:06 ` Roman Gushchin
2021-07-30 6:50 ` Michal Hocko
2021-07-30 6:50 ` Michal Hocko
2021-07-31 2:29 ` Miaohe Lin
2021-07-31 2:29 ` Miaohe Lin
2021-08-02 6:49 ` Michal Hocko
2021-08-02 6:49 ` Michal Hocko
2021-08-02 9:54 ` Miaohe Lin
2021-08-02 9:54 ` Miaohe Lin
2021-08-03 3:40 ` Roman Gushchin
2021-08-03 3:40 ` Roman Gushchin
2021-08-03 6:29 ` Miaohe Lin
2021-08-03 6:29 ` Miaohe Lin
2021-08-03 7:11 ` Michal Hocko
2021-08-03 7:11 ` Michal Hocko
2021-08-03 7:13 ` Roman Gushchin
2021-08-03 7:13 ` Roman Gushchin
2021-08-03 7:27 ` Michal Hocko
2021-08-03 7:27 ` Michal Hocko
2021-08-03 9:33 ` Muchun Song
2021-08-03 9:33 ` Muchun Song
2021-08-03 9:33 ` Muchun Song
2021-08-03 10:50 ` Miaohe Lin
2021-08-03 10:50 ` Miaohe Lin
2021-08-03 14:15 ` Johannes Weiner
2021-08-03 14:15 ` Johannes Weiner
2021-08-04 8:20 ` Michal Hocko
2021-08-04 8:20 ` Michal Hocko
2021-08-05 1:44 ` Miaohe Lin
2021-08-05 1:44 ` Miaohe Lin
2021-07-30 6:46 ` Michal Hocko
2021-07-29 12:57 ` [PATCH 3/5] mm, memcg: save some atomic ops when flush is already true Miaohe Lin
2021-07-29 12:57 ` Miaohe Lin
2021-07-29 14:40 ` Shakeel Butt
2021-07-29 14:40 ` Shakeel Butt
2021-07-29 14:40 ` Shakeel Butt
2021-07-30 2:37 ` Muchun Song
2021-07-30 2:37 ` Muchun Song
2021-07-30 2:37 ` Muchun Song
2021-07-30 3:07 ` Roman Gushchin
2021-07-30 3:07 ` Roman Gushchin
2021-07-30 6:51 ` Michal Hocko
2021-07-30 6:51 ` Michal Hocko
2021-07-29 12:57 ` [PATCH 4/5] mm, memcg: avoid possible NULL pointer dereferencing in mem_cgroup_init() Miaohe Lin
2021-07-29 12:57 ` Miaohe Lin
2021-07-29 13:52 ` Matthew Wilcox
2021-07-29 13:52 ` Matthew Wilcox
2021-07-30 1:50 ` Miaohe Lin
2021-07-30 1:50 ` Miaohe Lin
2021-07-30 3:12 ` Roman Gushchin
2021-07-30 3:12 ` Roman Gushchin
2021-07-30 6:29 ` Miaohe Lin
2021-07-30 6:29 ` Miaohe Lin
2021-07-30 6:44 ` Michal Hocko
2021-07-30 6:44 ` Michal Hocko
2021-07-31 2:05 ` Miaohe Lin
2021-07-31 2:05 ` Miaohe Lin
2021-08-02 6:43 ` Michal Hocko
2021-08-02 6:43 ` Michal Hocko
2021-08-02 10:00 ` Miaohe Lin
2021-08-02 10:00 ` Miaohe Lin
2021-08-02 10:42 ` Michal Hocko
2021-08-02 10:42 ` Michal Hocko
2021-08-02 11:18 ` Miaohe Lin
2021-08-02 11:18 ` Miaohe Lin
2021-07-29 12:57 ` [PATCH 5/5] mm, memcg: always call __mod_node_page_state() with preempt disabled Miaohe Lin
2021-07-29 12:57 ` Miaohe Lin
2021-07-29 14:39 ` Shakeel Butt
2021-07-29 14:39 ` Shakeel Butt
2021-07-29 14:39 ` Shakeel Butt
2021-07-30 1:52 ` Miaohe Lin
2021-07-30 1:52 ` Miaohe Lin
2021-07-30 2:33 ` [External] " Muchun Song
2021-07-30 2:33 ` Muchun Song
2021-07-30 2:33 ` Muchun Song
2021-07-30 2:46 ` Miaohe Lin
2021-07-30 2:46 ` Miaohe Lin
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