Date: Sat, 29 Nov 2008 01:38:17 -0500
From: Christoph Hellwig <hch@infradead.org>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Ingo Molnar <mingo@elte.hu>, Eric Dumazet <dada1@cosmosbay.com>,
       David Miller <davem@davemloft.net>, "Rafael J. Wysocki" <rjw@sisk.pl>,
       linux-kernel@vger.kernel.org, kernel-testers@vger.kernel.org,
       Mike Galbraith <efault@gmx.de>,
       Linux Netdev List <netdev@vger.kernel.org>,
       Christoph Lameter <cl@linux-foundation.org>,
       Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH 0/6] fs: Scalability of sockets/pipes
	allocation/deallocation on SMP
Message-ID: <20081129063816.GA869@infradead.org>
References: <49267694.1030506@cosmosbay.com> <20081121.010508.40225532.davem@davemloft.net> <4926AEDB.10007@cosmosbay.com> <4926D022.5060008@cosmosbay.com> <20081121152148.GA20388@elte.hu> <4926D39D.9050603@cosmosbay.com> <20081121153453.GA23713@elte.hu> <492DDB6A.8090806@cosmosbay.com> <20081128180318.GL10487@elte.hu> <1227898076.7392.16.camel@twins>
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On Fri, Nov 28, 2008 at 07:47:56PM +0100, Peter Zijlstra wrote:
> > Wow, that's incredibly impressive! :-)
> 
> Yeah, we got a similar speedup on -rt by pushing those super-block files
> list into per-cpu lists and doing crazy locking on them.
> 
> Of course avoiding them all together, like done here is a nicer option
> but is sadly not a possibility for regular files (until hch gets around
> to removing the need for the list).

We should have finished this long ago, thanks for the reminder.

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