Re: 3.15rc2 hanging processes on exit.

From: Dave Jones
Date: Wed Apr 23 2014 - 14:16:28 EST


On Wed, Apr 23, 2014 at 11:11:53AM -0700, Hugh Dickins wrote:
> > Very odd. Does anybody see anything I missed?
>
> Easily explained (correct me if I'm wrong): Dave is reporting this from
> his testing of 3.14,

correct.

> but Linus is looking at his 3.15-rc git tree, which now contains
>
> commit 57e68e9cd65b4b8eb4045a1e0d0746458502554c
> Author: Vlastimil Babka <vbabka@xxxxxxx>
> Date: Mon Apr 7 15:37:50 2014 -0700
> mm: try_to_unmap_cluster() should lock_page() before mlocking
>
> precisely to fix this (long-standing but long-unnoticed) issue,
> which Sasha reported a couple of months ago.

ah, great. as long as it's fixed, I'm happy :)

Dave


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