Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268149AbTGIKdO (ORCPT ); Wed, 9 Jul 2003 06:33:14 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268173AbTGIKdN (ORCPT ); Wed, 9 Jul 2003 06:33:13 -0400 Received: from thebsh.namesys.com ([212.16.7.65]:50092 "HELO thebsh.namesys.com") by vger.kernel.org with SMTP id S268149AbTGIKaR (ORCPT ); Wed, 9 Jul 2003 06:30:17 -0400 From: Nikita Danilov MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <16139.61989.920240.358179@laputa.namesys.com> Date: Wed, 9 Jul 2003 14:44:53 +0400 To: Andrew Morton Cc: Linux-Kernel@vger.kernel.org Subject: Re: [PATCH] 3/5 VM changes: dont-rotate-active-list.patch In-Reply-To: <20030709031217.21b54196.akpm@osdl.org> References: <16139.54928.435252.933882@laputa.namesys.com> <20030709031217.21b54196.akpm@osdl.org> X-Mailer: ed | telnet under Fuzzball OS, emulated on Emacs 21.5 (beta14) "cassava" XEmacs Lucid Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 825 Lines: 21 Andrew Morton writes: > Nikita Danilov wrote: > > > > This patch modifies refill_inactive_zone() so that it scans active_list > > without rotating it. > > I'm unconvinced. The scanning of the active list allows us to keep the > referenced state uptodate and balanced across all pages. > With this patch active list is still scanned. The only difference is that in !reclaim_mapped mode, mapped but unreferenced pages are left behind scanning point instead of being thrown to the head of active list (which supposed to be LRU, after all). Nikita. - 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/