From: Shakeel Butt <shakeelb@google.com>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Cgroups <cgroups@vger.kernel.org>,
"Linux MM" <linux-mm@kvack.org>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Johannes Weiner" <hannes@cmpxchg.org>,
"Michal Hocko" <mhocko@kernel.org>,
"Michal Koutný" <mkoutny@suse.com>,
"Peter Zijlstra" <peterz@infradead.org>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Vladimir Davydov" <vdavydov.dev@gmail.com>,
"Waiman Long" <longman@redhat.com>,
"Roman Gushchin" <guro@fb.com>
Subject: Re: [PATCH] mm/memcg: Add missing counter index which are not update in interrupt.
Date: Fri, 25 Feb 2022 09:08:22 -0800 [thread overview]
Message-ID: <CALvZod48Tp7i_BbA4Um57m989iuFU5kSvbzLhSOUt23_CiWmjw@mail.gmail.com> (raw)
In-Reply-To: <YhjzE/8LgbULbj/C@linutronix.de>
On Fri, Feb 25, 2022 at 7:17 AM Sebastian Andrzej Siewior
<bigeasy@linutronix.de> wrote:
>
> Shakeel Butt reported that I missed a few counters which are not updated
> in-interrupt context and therefore disabling preemption is fine.
>
> Please fold into:
> "Protect per-CPU counter by disabling preemption on PREEMPT_RT"
>
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Thanks. For the folded patch:
Reviewed-by: Shakeel Butt <shakeelb@google.com>
next prev parent reply other threads:[~2022-02-25 22:57 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-21 18:25 [PATCH v4 0/6] mm/memcg: Address PREEMPT_RT problems instead of disabling it Sebastian Andrzej Siewior
2022-02-21 18:25 ` [PATCH v4 1/6] mm/memcg: Revert ("mm/memcg: optimize user context object stock access") Sebastian Andrzej Siewior
2022-02-21 18:25 ` [PATCH v4 2/6] mm/memcg: Disable threshold event handlers on PREEMPT_RT Sebastian Andrzej Siewior
2022-02-21 18:25 ` [PATCH v4 3/6] mm/memcg: Protect per-CPU counter by disabling preemption on PREEMPT_RT where needed Sebastian Andrzej Siewior
2022-02-22 5:41 ` Shakeel Butt
2022-02-25 15:17 ` [PATCH] mm/memcg: Add missing counter index which are not update in interrupt Sebastian Andrzej Siewior
2022-02-25 17:08 ` Shakeel Butt [this message]
2022-02-25 23:01 ` [PATCH] mm/memcg: Only perform the debug checks on !PREEMPT_RT Sebastian Andrzej Siewior
2022-02-26 0:05 ` Andrew Morton
2022-02-21 18:25 ` [PATCH v4 4/6] mm/memcg: Opencode the inner part of obj_cgroup_uncharge_pages() in drain_obj_stock() Sebastian Andrzej Siewior
2022-02-21 18:25 ` [PATCH v4 5/6] mm/memcg: Protect memcg_stock with a local_lock_t Sebastian Andrzej Siewior
2022-02-22 9:52 ` Michal Hocko
2022-02-25 15:15 ` [PATCH] mm/memcg: Add a comment regarding the release `obj' Sebastian Andrzej Siewior
2022-02-21 18:25 ` [PATCH v4 6/6] mm/memcg: Disable migration instead of preemption in drain_all_stock() Sebastian Andrzej Siewior
2022-02-22 9:56 ` Michal Hocko
2022-02-25 20:13 ` [PATCH v5 " Sebastian Andrzej Siewior
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