From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 29 Aug 2002 19:47:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 29 Aug 2002 19:47:55 -0400 Received: from to-velocet.redhat.com ([216.138.202.10]:62703 "EHLO touchme.toronto.redhat.com") by vger.kernel.org with ESMTP id ; Thu, 29 Aug 2002 19:47:55 -0400 Date: Thu, 29 Aug 2002 19:52:18 -0400 From: Benjamin LaHaise To: Alexander Viro Cc: Linus Torvalds , linux-mm@kvack.org, Linux Kernel Subject: Re: weirdness with ->mm vs ->active_mm handling Message-ID: <20020829195218.I17288@redhat.com> References: <20020829193413.H17288@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: ; from viro@math.psu.edu on Thu, Aug 29, 2002 at 07:45:49PM -0400 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 29, 2002 at 07:45:49PM -0400, Alexander Viro wrote: > Lazy-TLB == "promise not to use a lot of stuff in the kernel". In particular, > any page fault in that state is a bug. In that case the lazy vmalloc faulting code is busted, as accessing a vmalloc page may need to fill in a pgd/pmd entry from a lazy tlb task. Got an idea for a more preferable fix? -ben -- "You will be reincarnated as a toad; and you will be much happier."