Re: [PATCH] oom: consider multi-threaded tasks in task_will_free_mem

From: Andrew Morton
Date: Tue May 17 2016 - 18:21:45 EST


On Tue, 17 May 2016 22:28:56 +0200 Michal Hocko <mhocko@xxxxxxxxxx> wrote:

> Andrew, this is not in the mmotm tree now because I didn't feel really
> confortable with the patch without Oleg seeing it. But it seems Oleg is
> ok [1] with it so could you push it to Linus along with the rest of oom
> pile please?

Reluctant. The CONFIG_COMPACTION=n regression which Joonsoo identified
is quite severe. Before patch: 10000 forks succeed. After patch: 500
forks fail. Ouch.

How can we merge such a thing?