From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266343AbUBFDiz (ORCPT ); Thu, 5 Feb 2004 22:38:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266409AbUBFDiy (ORCPT ); Thu, 5 Feb 2004 22:38:54 -0500 Received: from mail-05.iinet.net.au ([203.59.3.37]:21478 "HELO mail.iinet.net.au") by vger.kernel.org with SMTP id S266343AbUBFDix (ORCPT ); Thu, 5 Feb 2004 22:38:53 -0500 Message-ID: <40230C49.4010803@cyberone.com.au> Date: Fri, 06 Feb 2004 14:38:49 +1100 From: Nick Piggin User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6) Gecko/20040122 Debian/1.6-1 X-Accept-Language: en MIME-Version: 1.0 To: Andrew Morton CC: lord@xfs.org, ak@suse.de, linux-kernel@vger.kernel.org, kenneth.w.chen@intel.com Subject: Re: Limit hash table size References: <20040205155813.726041bd.akpm@osdl.org.suse.lists.linux.kernel> <4021AC9F.4090408@xfs.org> <20040205191240.13638135.akpm@osdl.org> <402308B6.3060802@cyberone.com.au> <20040205193449.5a8b8c0b.akpm@osdl.org> In-Reply-To: <20040205193449.5a8b8c0b.akpm@osdl.org> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Andrew Morton wrote: >Nick Piggin wrote: > >>>Was it a highmem box? If so, was the filesystem in question placing >>> >> >directory pagecache in highmem? If so, that was really bad on older 2.4: >> >the directory pagecache in highmem pins down all directory inodes. >> > >> > >> >> 2.6.2-mm1 should fix this I think. >> > >2.6.anything should fix it. It used to, anyway. > > >> In particular, this hunk in vm-shrink-zone.patch >> > >That's on the direct reclaim path - for sane workloads most of the freeing >activity is via kswapd. > > > OK - he said the try to free pages path was being called but maybe he didn't actually mean try_to_free_pages.