From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264073AbUE0MmX (ORCPT ); Thu, 27 May 2004 08:42:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263626AbUE0MmW (ORCPT ); Thu, 27 May 2004 08:42:22 -0400 Received: from holomorphy.com ([207.189.100.168]:16007 "EHLO holomorphy.com") by vger.kernel.org with ESMTP id S262114AbUE0MmI (ORCPT ); Thu, 27 May 2004 08:42:08 -0400 Date: Thu, 27 May 2004 05:41:45 -0700 From: William Lee Irwin III To: "Piszcz, Justin Michael" Cc: Andy Lutomirski , Nick Piggin , Tom Felker , Matthias Schniedermeyer , linux-kernel@vger.kernel.org Subject: Re: why swap at all? Message-ID: <20040527124145.GD22648@holomorphy.com> Mail-Followup-To: William Lee Irwin III , "Piszcz, Justin Michael" , Andy Lutomirski , Nick Piggin , Tom Felker , Matthias Schniedermeyer , linux-kernel@vger.kernel.org References: <5D3C2276FD64424297729EB733ED1F7606242C53@email1.mitretek.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5D3C2276FD64424297729EB733ED1F7606242C53@email1.mitretek.org> User-Agent: Mutt/1.5.5.1+cvs20040105i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 27, 2004 at 08:31:26AM -0400, Piszcz, Justin Michael wrote: > If I have 16GB of ram should I use swap? > Would swap cause the machine to slow down? Yes. You want swap so you can physically relocate anonymous pages in the rare case one ends up somewhere it could cause memory pressure against allocations that can only be satisfied by a restricted range of memory. -- wli