From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 18 Mar 2004 23:04:32 +0100 From: Pavel Machek Subject: Re: [PATCH] RSS limit enforcement for 2.6 Message-ID: <20040318220432.GB1505@openzaurus.ucw.cz> References: <405699C1.7010906@cyberone.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <405699C1.7010906@cyberone.com.au> Sender: owner-linux-mm@kvack.org Return-Path: To: Nick Piggin Cc: Rik van Riel , Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Hugh Dickins , Pavel Machek List-ID: Hi! > >Hugh Dickins found a bug in the 2.4-rmap RSS limit enforcing > >code that may well explain why the previous port of the code > >to 2.6 resulted in bad performance. The split active lists > >in 2.4-rmap probably masked the largest damages, but in 2.6 > >it was very much visible. > > > > > > Hi Rik, > What was the problem by the way? When running lingvistics computation, machine got completely unusable due to bad memory pressure. nice -n 19 was useless. Memory limit should help. -- 64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: aart@kvack.org