From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [PATCH 19/21] mm: Convert i_mmap_lock and anon_vma->lock to mutexes
Cc: kosaki.motohiro@jp.fujitsu.com, Andrea Arcangeli <aarcange@redhat.com>,
        Avi Kivity <avi@redhat.com>, Thomas Gleixner <tglx@linutronix.de>,
        Rik van Riel <riel@redhat.com>, Ingo Molnar <mingo@elte.hu>,
        akpm@linux-foundation.org,
        Linus Torvalds <torvalds@linux-foundation.org>,
        linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
        linux-mm@kvack.org, Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        David Miller <davem@davemloft.net>,
        Hugh Dickins <hugh.dickins@tiscali.co.uk>, Mel Gorman <mel@csn.ul.ie>,
        Nick Piggin <npiggin@kernel.dk>,
        Paul McKenney <paulmck@linux.vnet.ibm.com>,
        Yanmin Zhang <yanmin_zhang@linux.intel.com>,
        Stephen Rothwell <sfr@canb.auug.org.au>
In-Reply-To: <20101126145411.331356698@chello.nl>
References: <20101126143843.801484792@chello.nl> <20101126145411.331356698@chello.nl>
Message-Id: <20101130102933.82F8.A69D9226@jp.fujitsu.com>
MIME-Version: 1.0
Content-Type: text/plain; charset="US-ASCII"
Content-Transfer-Encoding: 7bit
Date: Tue, 30 Nov 2010 10:28:58 +0900 (JST)
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 440
Lines: 15

> Straight fwd conversion of i_mmap_lock and anon_vma->lock to mutexes.
> 
> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>

+1.

I don't think this conversion makes performance hurt.


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/