From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759311AbYCZBnq (ORCPT ); Tue, 25 Mar 2008 21:43:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760101AbYCZBll (ORCPT ); Tue, 25 Mar 2008 21:41:41 -0400 Received: from netops-testserver-3-out.sgi.com ([192.48.171.28]:53346 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1762157AbYCZBli (ORCPT ); Tue, 25 Mar 2008 21:41:38 -0400 Message-Id: <20080326014138.134849000@polaris-admin.engr.sgi.com> References: <20080326014137.934171000@polaris-admin.engr.sgi.com> User-Agent: quilt/0.46-1 Date: Tue, 25 Mar 2008 18:41:38 -0700 From: Mike Travis To: Andrew Morton Cc: Ingo Molnar , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] boot: increase stack size for kernel boot loader decompressor Content-Disposition: inline; filename=compressed-head_64 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Increase stack size for the kernel bootloader decompressor. This is needed to boot a kernel with NR_CPUS = 4096. I tested with 8k stack size but that wasn't sufficient. Based on: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86.git Signed-off-by: Mike Travis --- arch/x86/boot/compressed/head_64.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- linux-2.6.25-rc5.orig/arch/x86/boot/compressed/head_64.S +++ linux-2.6.25-rc5/arch/x86/boot/compressed/head_64.S @@ -314,5 +314,5 @@ gdt_end: /* Stack for uncompression */ .balign 4 user_stack: - .fill 4096,4,0 + .fill 16384,4,0 user_stack_end: --