Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932205AbVJQShe (ORCPT ); Mon, 17 Oct 2005 14:37:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932214AbVJQShe (ORCPT ); Mon, 17 Oct 2005 14:37:34 -0400 Received: from e35.co.us.ibm.com ([32.97.110.153]:50817 "EHLO e35.co.us.ibm.com") by vger.kernel.org with ESMTP id S932205AbVJQShd (ORCPT ); Mon, 17 Oct 2005 14:37:33 -0400 Date: Tue, 18 Oct 2005 00:01:24 +0530 From: Dipankar Sarma To: Eric Dumazet Cc: Linus Torvalds , Jean Delvare , Serge Belyshev , LKML , Andrew Morton , Manfred Spraul Subject: Re: VFS: file-max limit 50044 reached Message-ID: <20051017183124.GF13665@in.ibm.com> Reply-To: dipankar@in.ibm.com References: <20051017084609.GA6257@in.ibm.com> <43536A6C.102@cosmosbay.com> <20051017103244.GB6257@in.ibm.com> <4353CADB.8050709@cosmosbay.com> <20051017162930.GC13665@in.ibm.com> <4353E6F1.8030206@cosmosbay.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <4353E6F1.8030206@cosmosbay.com> User-Agent: Mutt/1.5.10i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1034 Lines: 29 On Mon, Oct 17, 2005 at 08:01:21PM +0200, Eric Dumazet wrote: > Dipankar Sarma a ?crit : > >On Mon, Oct 17, 2005 at 09:16:25AM -0700, Linus Torvalds wrote: > > > > > Do we really need a TIF_RCUUPDATE flag, or could we just ask for a resched ? > I think the theory was that we have to process the callbacks, not just force the grace period by setting need_resched. That is what TIF_RCUUPDATE indicates - rcus to process. > This patch only take care of call_rcu(), I'm unsure of what can be done > inside call_rcu_bh() > > The two stress program dont hit OOM anymore with this patch applied (even > with maxbatch=10) Hmm.. I am supprised that maxbatch=10 still allowed you keep up with a continuously queueing cpu. OK, I will look at this. Thanks Dipankar - 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/