Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755537AbYC1BKq (ORCPT ); Thu, 27 Mar 2008 21:10:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755363AbYC1BJe (ORCPT ); Thu, 27 Mar 2008 21:09:34 -0400 Received: from zrnetservice.com ([209.133.52.163]:58083 "EHLO www.zrnetservice.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1755144AbYC1BJb (ORCPT ); Thu, 27 Mar 2008 21:09:31 -0400 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [PATCH 3 of 4] sparsemem: reduce i386 PAE section size X-Mercurial-Node: b7d0773c79887ca98d6c9830a5a3ef1b585c4278 Message-Id: In-Reply-To: Date: Thu, 27 Mar 2008 17:28:39 -0700 From: Jeremy Fitzhardinge To: Ingo Molnar Cc: LKML , Rusty Russell , KAMEZAWA Hiroyuki , Yasunori Goto , Christoph Lameter , Dave Hansen , Andrew Morton Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1133 Lines: 32 A 1G section size makes memory hotplug too coarse in a virtual environment. Retuce it by a factor of 2 to 512M. I would have liked to make it smaller, but it runs out of reserved flags in the page flags. Signed-off-by: Jeremy Fitzhardinge Cc: KAMEZAWA Hiroyuki Cc: Yasunori Goto Cc: Christoph Lameter Cc: Dave Hansen --- include/asm-x86/sparsemem.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/asm-x86/sparsemem.h b/include/asm-x86/sparsemem.h --- a/include/asm-x86/sparsemem.h +++ b/include/asm-x86/sparsemem.h @@ -16,7 +16,7 @@ #ifdef CONFIG_X86_32 # ifdef CONFIG_X86_PAE -# define SECTION_SIZE_BITS 30 +# define SECTION_SIZE_BITS 29 # define MAX_PHYSADDR_BITS 36 # define MAX_PHYSMEM_BITS 36 # else -- 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/