Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263578AbTEGPfI (ORCPT ); Wed, 7 May 2003 11:35:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263680AbTEGPfI (ORCPT ); Wed, 7 May 2003 11:35:08 -0400 Received: from holomorphy.com ([66.224.33.161]:14224 "EHLO holomorphy") by vger.kernel.org with ESMTP id S263578AbTEGPfG (ORCPT ); Wed, 7 May 2003 11:35:06 -0400 Date: Wed, 7 May 2003 08:47:28 -0700 From: William Lee Irwin III To: Timothy Miller Cc: Torsten Landschoff , J?rn Engel , Linux kernel Subject: Re: top stack (l)users for 2.5.69 Message-ID: <20030507154728.GG8978@holomorphy.com> Mail-Followup-To: William Lee Irwin III , Timothy Miller , Torsten Landschoff , J?rn Engel , Linux kernel References: <20030507132024.GB18177@wohnheim.fh-wedel.de> <20030507135657.GC18177@wohnheim.fh-wedel.de> <20030507143315.GA6879@stargate.galaxy> <20030507144736.GE8978@holomorphy.com> <3EB9250A.8030306@techsource.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3EB9250A.8030306@techsource.com> Organization: The Domain of Holomorphy User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1017 Lines: 23 William Lee Irwin III wrote: >> The kernel stack is (in Linux) unswappable memory that persists >> throughout the lifetime of a thread. It's basically how many threads >> you want to be able to cram into a system, and it matters a lot for >> 32-bit. On Wed, May 07, 2003 at 11:23:54AM -0400, Timothy Miller wrote: > The point that may or may not have been obvious is that more than one > kernel stack is hanging around. One single 8k stack versus one single > 4k stack is a trivial difference, even for most embedded systems. But > this becomes a huge problem when you have numerous concurrent threads > hanging around, one of which can be swapped out. That eats memory fast. > Or am I getting it wrong? You've got it right. Thanks for pointing that out. -- wli - 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/