From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264353AbTLKGBh (ORCPT ); Thu, 11 Dec 2003 01:01:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264354AbTLKGBh (ORCPT ); Thu, 11 Dec 2003 01:01:37 -0500 Received: from zxa8020.lanisdn-gte.net ([206.46.31.146]:25801 "EHLO links.magenta.com") by vger.kernel.org with ESMTP id S264353AbTLKGBf (ORCPT ); Thu, 11 Dec 2003 01:01:35 -0500 Date: Thu, 11 Dec 2003 01:01:32 -0500 From: Raul Miller To: linux-kernel@vger.kernel.org Subject: Re: PROBLEM: Linux 2.6.0-test11 only lets me use 1GB out of 2GB ram. Message-ID: <20031211010132.F28449@links.magenta.com> References: <3FD7FCF5.7030109@cyberone.com.au> <3FD801B3.7080604@wmich.edu> <20031211054111.GX8039@holomorphy.com> <3FD7FCF5.7030109@cyberone.com.au> <3FD801B3.7080604@wmich.edu> <3FD7FCF5.7030109@cyberone.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: ; from donjr@maner.org on Wed, Dec 10, 2003 at 11:06:46PM -0600 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Dec 10, 2003 at 11:06:46PM -0600, Donald Maner wrote: > The kernel you're using WAS compiled with CONFIG_HIGHMEM4G=y, correct? No. On Thu, Dec 11, 2003 at 04:13:25PM +1100, Nick Piggin wrote: > Or ARCH=x86_64 ? Yes. Well, no... I don't see that option in my .config. I did specify the amd64 bit archictecture, but I don't know what that means in .config terms. Here's what's set under "# Processor type and features": CONFIG_X86_PC=y CONFIG_MK8=y CONFIG_X86_CMPXCHG=y CONFIG_X86_XADD=y CONFIG_X86_L1_CACHE_SHIFT=6 CONFIG_RWSEM_XCHGADD_ALGORITHM=y CONFIG_X86_WP_WORKS_OK=y CONFIG_X86_INVLPG=y CONFIG_X86_BSWAP=y CONFIG_X86_POPAD_OK=y CONFIG_X86_GOOD_APIC=y CONFIG_X86_INTEL_USERCOPY=y CONFIG_X86_USE_PPRO_CHECKSUM=y CONFIG_HPET_TIMER=y CONFIG_HPET_EMULATE_RTC=y CONFIG_SMP=y CONFIG_NR_CPUS=2 CONFIG_PREEMPT=y CONFIG_X86_LOCAL_APIC=y CONFIG_X86_IO_APIC=y CONFIG_X86_TSC=y CONFIG_X86_MCE=y CONFIG_X86_MSR=y CONFIG_X86_CPUID=y CONFIG_NOHIGHMEM=y CONFIG_MTRR=y CONFIG_HAVE_DEC_LOCK=y On Thu, Dec 11, 2003 at 04:48:51PM +1100, Nick Piggin wrote: > At any rate, Raul, highmem shouldn't hurt your performance significantly > with the 2.6 kernel. If it does then send a note to the list. Ok, I guess I'll try that (tomorrow, unless I hear any better suggestions before then). [I thought highmem was something completely different -- that it declared a watermark and memory above that watermark was treated differently. However, I guess I understand that this might have the side effect of bumping things around such that I get access to the memory.] Thanks, -- Raul Miller moth@magenta.com