linux-kernel - Re: [PATCH 2 of 3] mm_take_all

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Message-ID: <alpine.LFD.1.10.0806050913060.3473@woody.linux-foundation.org>
Date:	Thu, 5 Jun 2008 09:15:41 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Andrea Arcangeli <andrea@...ranet.com>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Christoph Lameter <clameter@....com>,
	Jack Steiner <steiner@....com>, Robin Holt <holt@....com>,
	Nick Piggin <npiggin@...e.de>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>, kvm@...r.kernel.org,
	Kanoj Sarcar <kanojsarcar@...oo.com>,
	Roland Dreier <rdreier@...co.com>,
	Steve Wise <swise@...ngridcomputing.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Avi Kivity <avi@...ranet.com>, linux-mm@...ck.org,
	general@...ts.openfabrics.org, Hugh Dickins <hugh@...itas.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Anthony Liguori <aliguori@...ibm.com>,
	Chris Wright <chrisw@...hat.com>,
	Marcelo Tosatti <marcelo@...ck.org>,
	Eric Dumazet <dada1@...mosbay.com>,
	"Paul E. McKenney" <paulmck@...ibm.com>,
	Izik Eidus <izike@...ranet.com>,
	Anthony Liguori <aliguori@...ibm.com>,
	Rik van Riel <riel@...hat.com>
Subject: Re: [PATCH 2 of 3] mm_take_all_locks


Just a small comment fix.

On Thu, 5 Jun 2008, Andrea Arcangeli wrote:
> +		/*
> +		 * AS_MM_ALL_LOCKS can't change from under us because
> +		 * we hold the global_mm_spinlock.

There's no global_mm_spinlock, you mean the 'mm_all_locks_mutex'.

(There was at least one other case where you had that comment issue).

		Linus
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