Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 29 Oct 2001 18:14:30 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 29 Oct 2001 18:14:20 -0500 Received: from pizda.ninka.net ([216.101.162.242]:46483 "EHLO pizda.ninka.net") by vger.kernel.org with ESMTP id ; Mon, 29 Oct 2001 18:14:05 -0500 Date: Mon, 29 Oct 2001 15:14:22 -0800 (PST) Message-Id: <20011029.151422.102554141.davem@redhat.com> To: bcrl@redhat.com Cc: torvalds@transmeta.com, linux-kernel@vger.kernel.org Subject: Re: please revert bogus patch to vmscan.c From: "David S. Miller" In-Reply-To: <20011029180837.F25434@redhat.com> In-Reply-To: <20011029180837.F25434@redhat.com> X-Mailer: Mew version 2.0 on Emacs 21.0 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: Benjamin LaHaise Date: Mon, 29 Oct 2001 18:08:37 -0500 is completely bogus. Without the tlb flush, the system may never update the accessed bit on a page that is heavily being used. It's intentional Ben, think about the high cost of the SMP invalidate when kswapd is just scanning page tables. Franks a lot, David S. Miller davem@redhat.com - 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/