Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 21 Feb 2003 18:45:53 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 21 Feb 2003 18:45:53 -0500 Received: from rth.ninka.net ([216.101.162.244]:30635 "EHLO rth.ninka.net") by vger.kernel.org with ESMTP id ; Fri, 21 Feb 2003 18:45:52 -0500 Subject: Re: xdr nfs highmem deadlock fix [Re: filesystem access slowing system to a crawl] From: "David S. Miller" To: Andrea Arcangeli Cc: Trond Myklebust , Jeff Garzik , Andrew Morton , Marc-Christian Petersen , t.baetzler@bringe.com, linux-kernel@vger.kernel.org, marcelo@conectiva.com.br In-Reply-To: <20030221094133.GH31480@x30.school.suse.de> References: <200302191742.02275.m.c.p@wolk-project.de> <20030219174940.GJ14633@x30.suse.de> <200302201629.51374.m.c.p@wolk-project.de> <20030220103543.7c2d250c.akpm@digeo.com> <20030220215457.GV31480@x30.school.suse.de> <20030220230430.GX9800@gtf.org> <15957.24787.735814.496471@charged.uio.no> <20030221094133.GH31480@x30.school.suse.de> Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Ximian Evolution 1.0.8 (1.0.8-10) Date: 21 Feb 2003 16:40:41 -0800 Message-Id: <1045874441.25412.0.camel@rth.ninka.net> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 701 Lines: 19 On Fri, 2003-02-21 at 01:41, Andrea Arcangeli wrote: > On Fri, Feb 21, 2003 at 12:12:19AM +0100, Trond Myklebust wrote: > > >>>>> " " == Jeff Garzik writes: > > > > > One should also consider kmap_atomic... (bcrl suggest) > > > > The problem is that sendmsg() can sleep. kmap_atomic() isn't really > > appropriate here. > > 100% correct. It actually depends upon whether you have sk->priority set to GFP_ATOMIC or GFP_KERNEL. - 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/