linux-kernel - Re: [PATCH] mm, meminit: Serially initialise deferred memory if trace_buf

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Message-ID: <20171115142816.zxdgkad3ch2bih6d@dhcp22.suse.cz>
Date:   Wed, 15 Nov 2017 15:28:16 +0100
From:   Michal Hocko <mhocko@...nel.org>
To:     Mel Gorman <mgorman@...hsingularity.net>
Cc:     Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, yasu.isimatu@...il.com,
        koki.sanagi@...fujitsu.com
Subject: Re: [PATCH] mm, meminit: Serially initialise deferred memory if
 trace_buf_size is specified

On Wed 15-11-17 14:13:29, Mel Gorman wrote:
[...]
> I doubt anyone well. Even the original reporter appeared to pick that
> particular value just to trigger the OOM.

Then why do we care at all? The trace buffer size can be configured from
the userspace if it is not sufficiently large IIRC.

-- 
Michal Hocko
SUSE Labs