Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757245AbZJFNAl (ORCPT ); Tue, 6 Oct 2009 09:00:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757216AbZJFNAk (ORCPT ); Tue, 6 Oct 2009 09:00:40 -0400 Received: from casper.infradead.org ([85.118.1.10]:37053 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757213AbZJFNAk (ORCPT ); Tue, 6 Oct 2009 09:00:40 -0400 Subject: Re: 2.6.32-rc3: low mem - only 378MB on x86_32 with 64GB. Why? From: David Woodhouse To: Linus Torvalds Cc: Jeff Chua , Valdis.Kletnieks@vt.edu, Tomasz Chmielewski , Daniel J Blueman , Byron Stanoszek , Dave Hansen , Hugh Dickins , Linux Kernel , Andrew Morton , Hugh Dickins In-Reply-To: References: Content-Type: text/plain Date: Tue, 06 Oct 2009 13:59:34 +0100 Message-Id: <1254833974.14541.1306.camel@macbook.infradead.org> Mime-Version: 1.0 X-Mailer: Evolution 2.26.3 (2.26.3-1.fc11) Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 707 Lines: 18 On Mon, 2009-10-05 at 17:30 -0700, Linus Torvalds wrote: > In fact, I wish more people did that, just so that we'd get better > coverage of the 32-bit compat code. We occasionally find issues there, > although I think it's getting rarer. We've been running PPC64 with 32-bit userspace for a long time, so most of the issues with the 32-bit compat code ought to be dealt with. There may be a few arch-specific issues for x86_64/i386, but not many. -- dwmw2 -- 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/