Re: [PATCH 1/2] mm, oom: introduce oom reaper

[Andrew Morton]

On Thu, 17 Dec 2015 11:55:11 -0800 Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:

> On Thu, Dec 17, 2015 at 5:02 AM, Michal Hocko <mhocko@xxxxxxxxxx> wrote:
> > Ups. You are right. I will go with msleep_interruptible(100).
> 
> I don't think that's right.
> 
> If a signal happens, that loop is now (again) just busy-looping.

It's called only by a kernel thread so no signal_pending().  This
relationship is a bit unobvious and fragile, but we do it in quite a
few places.

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