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Message-ID: <CAMZfGtUCXAzvjQ60VUEdOj1OocqUxGNZkikr-Lch2w-dkmQTwg@mail.gmail.com>
Date: Fri, 30 Oct 2020 00:32:26 +0800
From: Muchun Song <songmuchun@...edance.com>
To: Shakeel Butt <shakeelb@...gle.com>
Cc: Johannes Weiner <hannes@...xchg.org>,
Michal Hocko <mhocko@...nel.org>,
Vladimir Davydov <vdavydov.dev@...il.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Roman Gushchin <guro@...com>,
Joonsoo Kim <iamjoonsoo.kim@....com>,
Yafang Shao <laoar.shao@...il.com>,
Chris Down <chris@...isdown.name>,
Christian Brauner <christian.brauner@...ntu.com>,
"Peter Zijlstra (Intel)" <peterz@...radead.org>,
Ingo Molnar <mingo@...nel.org>,
Kees Cook <keescook@...omium.org>,
Thomas Gleixner <tglx@...utronix.de>, esyr@...hat.com,
Suren Baghdasaryan <surenb@...gle.com>, areber@...hat.com,
Marco Elver <elver@...gle.com>,
LKML <linux-kernel@...r.kernel.org>,
Cgroups <cgroups@...r.kernel.org>, Linux MM <linux-mm@...ck.org>
Subject: Re: [External] Re: [PATCH v2] mm: memcg/slab: Fix return child memcg
objcg for root memcg
On Fri, Oct 30, 2020 at 12:18 AM Shakeel Butt <shakeelb@...gle.com> wrote:
>
> On Thu, Oct 29, 2020 at 9:09 AM Muchun Song <songmuchun@...edance.com> wrote:
> >
> > On Thu, Oct 29, 2020 at 11:48 PM Shakeel Butt <shakeelb@...gle.com> wrote:
> > >
> > > On Tue, Oct 27, 2020 at 8:50 PM Muchun Song <songmuchun@...edance.com> wrote:
> > > >
> > > > Consider the following memcg hierarchy.
> > > >
> > > > root
> > > > / \
> > > > A B
> > > >
> > > > If we get the objcg of memcg A failed,
> > >
> > > Please fix the above statement.
> >
> > Sorry, could you be more specific, I don't quite understand.
>
> Fix the grammar. Something like "If we failed to get the reference on
> objcg of memcg A..."
Got it. Sorry for my poor English, Thanks.
--
Yours,
Muchun
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