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

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To: Sultan Alsawaf <sultan@xxxxxxxxxxxxxxx>
Subject: Re: [PATCH] mm: Mark the OOM reaper thread as freezable
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Date: Sun, 19 Sep 2021 15:40:00 -0700
Cc: Michal Hocko <mhocko@xxxxxxxx>, David Rientjes <rientjes@xxxxxxxxxx>, Mel Gorman <mgorman@xxxxxxx>, linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20210918233920.9174-1-sultan@kerneltoast.com>
References: <20210918233920.9174-1-sultan@kerneltoast.com>

On Sat, 18 Sep 2021 16:39:20 -0700 Sultan Alsawaf <sultan@xxxxxxxxxxxxxxx> 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?

References:
- [PATCH] mm: Mark the OOM reaper thread as freezable
  - From: Sultan Alsawaf

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