linux-kernel - Re: [PATCH] mm: Mark the OOM reaper thread as freezable

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Message-Id: <20210919154000.2dbd44c146c18e65d5dbce37@linux-foundation.org>
Date:   Sun, 19 Sep 2021 15:40:00 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Sultan Alsawaf <sultan@...neltoast.com>
Cc:     Michal Hocko <mhocko@...e.com>,
        David Rientjes <rientjes@...gle.com>,
        Mel Gorman <mgorman@...e.de>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: Mark the OOM reaper thread as freezable

On Sat, 18 Sep 2021 16:39:20 -0700 Sultan Alsawaf <sultan@...neltoast.com> wrote:

> The OOM reaper thread uses wait_event_freezable() without actually being
> marked as freezable. Fix it by adding a set_freezable() call.

Oh.

What are the runtime effects of this defect?