linux-kernel - Re: 3.15rc2 hanging processes on exit.

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Date:	Wed, 23 Apr 2014 14:16:12 -0400
From:	Dave Jones <davej@...hat.com>
To:	Hugh Dickins <hughd@...gle.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>
Subject: Re: 3.15rc2 hanging processes on exit.

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@...e.cz>
 > 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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