From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: [PATCH 0/6] fs: Scalability of sockets/pipes allocation/deallocation on SMP Date: Sat, 29 Nov 2008 01:38:17 -0500 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> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Ingo Molnar , Eric Dumazet , David Miller , "Rafael J. Wysocki" , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, kernel-testers-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Mike Galbraith , Linux Netdev List , Christoph Lameter , Christoph Hellwig To: Peter Zijlstra Return-path: Content-Disposition: inline In-Reply-To: <1227898076.7392.16.camel@twins> Sender: kernel-testers-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: netdev.vger.kernel.org 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.