Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261407AbVA1O0s (ORCPT ); Fri, 28 Jan 2005 09:26:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261408AbVA1O0r (ORCPT ); Fri, 28 Jan 2005 09:26:47 -0500 Received: from holomorphy.com ([66.93.40.71]:5352 "EHLO holomorphy.com") by vger.kernel.org with ESMTP id S261407AbVA1O0i (ORCPT ); Fri, 28 Jan 2005 09:26:38 -0500 Date: Fri, 28 Jan 2005 06:26:20 -0800 From: William Lee Irwin III To: Hugh Dickins Cc: Rik van Riel , Russell King , Mikael Pettersson , Andrew Morton , linux-kernel@vger.kernel.org, James Antill , Bryn Reeves Subject: Re: don't let mmap allocate down to zero Message-ID: <20050128142620.GQ10843@holomorphy.com> References: <20050127142500.A775@flint.arm.linux.org.uk> <20050127151211.GB10843@holomorphy.com> <20050127204455.GM10843@holomorphy.com> <20050127211319.GN10843@holomorphy.com> <20050128053036.GO10843@holomorphy.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: The Domain of Holomorphy User-Agent: Mutt/1.5.6+20040907i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 754 Lines: 17 On Fri, Jan 28, 2005 at 02:14:36PM +0000, Hugh Dickins wrote: > I had imagined that top down (non-FIXED) would continue to make > more space available, the space below the text, just cutting off > at PAGE_SIZE. There was a more serious lower limit on ARM under > discussion before, but ARM doesn't use top down so far as I can see. rmk chimed in at one point and made it clear that ARM's actual lower bounday was PAGE_SIZE (before that, all I knew was: 0 < x <= (FIRST_USER_PGD_NR << PGDIR_SHIFT)). -- 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/