linux-kernel - Re: [PATCH v1] ringbuffer: Don't choose the process with adj equal OOM_SCORE_ADJ

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Message-ID: <20180410091446.01c25c3b@gandalf.local.home>
Date:   Tue, 10 Apr 2018 09:14:46 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Michal Hocko <mhocko@...nel.org>
Cc:     Zhaoyang Huang <huangzhaoyang@...il.com>,
        Ingo Molnar <mingo@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Joel Fernandes <joelaf@...gle.com>
Subject: Re: [PATCH v1] ringbuffer: Don't choose the process with adj equal
 OOM_SCORE_ADJ_MIN

On Tue, 10 Apr 2018 09:13:11 -0400
Steven Rostedt <rostedt@...dmis.org> wrote:

> Something like this:

Zhaoyang, would this work for you?

Then all you need to do is to:

 echo 0 > /d/tracing/options/mem-reclaim

and then you have the old behavior before Joel's patch. It will use
NORETRY and also not set up the OOM to kill your task.

-- Steve