linux-kernel - Re: [RFC][PATCH 9/7] mm: fix mm_take_all

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Date:	Fri, 8 Aug 2008 03:34:12 +0200
From:	Andrea Arcangeli <andrea@...ranet.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	David Miller <davem@...emloft.net>, jeremy@...p.org,
	hugh@...itas.com, mingo@...e.hu, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, davej@...hat.com
Subject: Re: [RFC][PATCH 9/7] mm: fix mm_take_all_locks() locking order

On Thu, Aug 07, 2008 at 11:46:42PM +0200, Andrea Arcangeli wrote:
> furthermore I doubt it works because with regular kvm I get 57 vmas
> filebacked alone, did you test 8/7, I didn't yet but I can test if you

Correction: 57 are the vmas but counting with something less coarse
than grep lib |wc -l, there are less inodes backing those vmas than
the nesting limit, so 8/7 is ok for now (as long as check_deadlock
exists at least).

Thanks again!
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