Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S271191AbUJVLQc (ORCPT ); Fri, 22 Oct 2004 07:16:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S271198AbUJVLQc (ORCPT ); Fri, 22 Oct 2004 07:16:32 -0400 Received: from phoenix.infradead.org ([81.187.226.98]:4363 "EHLO phoenix.infradead.org") by vger.kernel.org with ESMTP id S271191AbUJVLQa (ORCPT ); Fri, 22 Oct 2004 07:16:30 -0400 Date: Fri, 22 Oct 2004 12:16:26 +0100 From: Christoph Hellwig To: William Lee Irwin III Cc: Christoph Hellwig , Christoph Lameter , "Chen, Kenneth W" , raybry@sgi.com, linux-kernel@vger.kernel.org Subject: Re: Hugepages demand paging V1 [3/4]: Overcommit handling Message-ID: <20041022111626.GA18037@infradead.org> Mail-Followup-To: Christoph Hellwig , William Lee Irwin III , Christoph Lameter , "Chen, Kenneth W" , raybry@sgi.com, linux-kernel@vger.kernel.org References: <20041022110116.GA17699@infradead.org> <20041022111259.GQ17038@holomorphy.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20041022111259.GQ17038@holomorphy.com> User-Agent: Mutt/1.4.1i X-SRS-Rewrite: SMTP reverse-path rewritten from by phoenix.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 924 Lines: 20 On Fri, Oct 22, 2004 at 04:12:59AM -0700, William Lee Irwin III wrote: > On Thu, Oct 21, 2004 at 09:58:26PM -0700, Christoph Lameter wrote: > >> Changelog > >> * overcommit handling > > On Fri, Oct 22, 2004 at 12:01:16PM +0100, Christoph Hellwig wrote: > > overcommit for huge pages sounds like a realy bad idea. Care to explain > > why you want it? > > It's the opposite of what its name implies; it implements strict > non-overcommit, in the sense that it tries to prevent the sum of > possible hugetlb allocations arising from handling hugetlb faults from > exceeding the size of the hugetlb memory pool. I thought that was the state of the art for hugetlb pages already? - 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/