From: Tejun Heo <tj@kernel.org>
To: Waiman Long <longman@redhat.com>
Cc: Michal Hocko <mhocko@suse.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Roman Gushchin <roman.gushchin@linux.dev>,
Shakeel Butt <shakeelb@google.com>,
Muchun Song <songmuchun@bytedance.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, cgroups@vger.kernel.org,
linux-mm@kvack.org, Chris Down <chris@chrisdown.name>
Subject: Re: [PATCH] mm/memcontrol: Don't increase effective low/min if no protection needed
Date: Tue, 11 Oct 2022 07:04:32 -1000 [thread overview]
Message-ID: <Y0WiIDmPPXYZuHpX@slm.duckdns.org> (raw)
In-Reply-To: <defdb421-342e-ebcb-d7f0-005559dd1e0d@redhat.com>
On Tue, Oct 11, 2022 at 01:00:22PM -0400, Waiman Long wrote:
> You are right about that. An alternative way to address this issue is to
> disable memory low event when memory.low isn't set. An user who want to
> track memory.low event has to set it to a non-zero value. Would that be
> acceptable?
Wouldn't it make sense to fix the test? With recursive_prot on, the cgroup
actually is under low protection and it seems like the correct behavior is
to report the low events accordingly.
Thanks.
--
tejun
next prev parent reply other threads:[~2022-10-11 17:04 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-11 14:30 Waiman Long
2022-10-11 15:39 ` Michal Hocko
2022-10-11 17:00 ` Waiman Long
2022-10-11 17:04 ` Tejun Heo [this message]
2022-10-11 17:14 ` Waiman Long
2022-10-11 19:01 ` Michal Hocko
2022-10-17 22:46 ` Michal Koutný
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