From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: [PATCH] net: allow netdev_wait_allrefs() to run faster Date: Fri, 30 Oct 2009 15:43:50 +0100 Message-ID: <4AEAFBA6.4080403@gmail.com> References: <20091017221857.GG1925@kvack.org> <4ADB55BC.5020107@gmail.com> <20091018182144.GC23395@kvack.org> <200910211539.01824.opurdila@ixiacom.com> <4ADF2B57.4030708@gmail.com> <20091021165139.GL877@kvack.org> <20091029233848.GV3141@kvack.org> <20091030143527.GA3141@kvack.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: "Eric W. Biederman" , Octavian Purdila , netdev@vger.kernel.org, Cosmin Ratiu To: Benjamin LaHaise Return-path: Received: from gw1.cosmosbay.com ([212.99.114.194]:48599 "EHLO gw1.cosmosbay.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932198AbZJ3Onv (ORCPT ); Fri, 30 Oct 2009 10:43:51 -0400 In-Reply-To: <20091030143527.GA3141@kvack.org> Sender: netdev-owner@vger.kernel.org List-ID: Benjamin LaHaise a =E9crit : > On Thu, Oct 29, 2009 at 06:45:32PM -0700, Eric W. Biederman wrote: >> I was expecting someone to run into problems with the linear directo= ry >> of sysfs someday. >=20 > Alas, sysfs isn't the only offender. >=20 > -ben In my tests, the sysfs lookup by name is the big offender, I believe yo= u should post your rb_tree patch ASAP ;) Then we can go further