Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 23 Jan 2002 14:11:04 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 23 Jan 2002 14:10:44 -0500 Received: from zero.tech9.net ([209.61.188.187]:24836 "EHLO zero.tech9.net") by vger.kernel.org with ESMTP id ; Wed, 23 Jan 2002 14:10:43 -0500 Subject: Re: [PATCH *] rmap VM, version 12 From: Robert Love To: Rik van Riel Cc: "David S. Miller" , linux-mm@kvack.org, linux-kernel@vger.kernel.org In-Reply-To: In-Reply-To: Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Evolution/1.0.1 Date: 23 Jan 2002 14:15:04 -0500 Message-Id: <1011813305.28682.14.camel@phantasy> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2002-01-23 at 13:57, Rik van Riel wrote: > Actually, this is just using the pte_free_fast() and > {get,free}_pgd_fast() functions on non-pae machines. > > I think this should be safe, unless there is a way > we could pagefault from inside interrupts (but I don't > think we do that). > > OTOH, the -preempt people will want to add preemption > protection from the fiddling with the local pte freelist ;) If you are using the stock mechanisms in include/asm/pgalloc.h they are already made preempt-safe by the patch. ;) Robert Love - 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/