From: Jens Axboe <axboe@kernel.dk>
To: Pavel Begunkov <asml.silence@gmail.com>,
Shakeel Butt <shakeelb@google.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
io-uring@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] mm: io_uring: allow oom-killer from io_uring_setup
Date: Mon, 07 Feb 2022 08:44:07 -0700 [thread overview]
Message-ID: <164424864739.20474.1005758721065319672.b4-ty@kernel.dk> (raw)
In-Reply-To: <20220125051736.2981459-1-shakeelb@google.com>
On Mon, 24 Jan 2022 21:17:36 -0800, Shakeel Butt wrote:
> On an overcommitted system which is running multiple workloads of
> varying priorities, it is preferred to trigger an oom-killer to kill a
> low priority workload than to let the high priority workload receiving
> ENOMEMs. On our memory overcommitted systems, we are seeing a lot of
> ENOMEMs instead of oom-kills because io_uring_setup callchain is using
> __GFP_NORETRY gfp flag which avoids the oom-killer. Let's remove it and
> allow the oom-killer to kill a lower priority job.
>
> [...]
Applied, thanks!
[1/1] mm: io_uring: allow oom-killer from io_uring_setup
commit: 0a3f1e0beacf6cc8ae5f846b0641c1df476e83d6
Best regards,
--
Jens Axboe
prev parent reply other threads:[~2022-02-07 15:53 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-25 5:17 [PATCH] mm: io_uring: allow oom-killer from io_uring_setup Shakeel Butt
2022-01-25 18:35 ` David Rientjes
2022-01-25 22:57 ` Shakeel Butt
2022-01-26 1:42 ` David Rientjes
2022-02-05 6:32 ` Shakeel Butt
2022-02-07 15:44 ` Jens Axboe [this message]
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