Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030359AbWJCRdq (ORCPT ); Tue, 3 Oct 2006 13:33:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030352AbWJCRbo (ORCPT ); Tue, 3 Oct 2006 13:31:44 -0400 Received: from e31.co.us.ibm.com ([32.97.110.149]:55951 "EHLO e31.co.us.ibm.com") by vger.kernel.org with ESMTP id S1030364AbWJCRbD (ORCPT ); Tue, 3 Oct 2006 13:31:03 -0400 Date: Tue, 3 Oct 2006 13:06:28 -0400 From: Vivek Goyal To: linux kernel mailing list Cc: Reloc Kernel List , ebiederm@xmission.com, akpm@osdl.org, ak@suse.de, horms@verge.net.au, lace@jankratochvil.net, hpa@zytor.com, magnus.damm@gmail.com, lwang@redhat.com, dzickus@redhat.com, maneesh@in.ibm.com Subject: [PATCH 2/12] i386: align data section to 4K boundary Message-ID: <20061003170628.GB3164@in.ibm.com> Reply-To: vgoyal@in.ibm.com References: <20061003170032.GA30036@in.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20061003170032.GA30036@in.ibm.com> User-Agent: Mutt/1.5.11 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1131 Lines: 31 o Currently there is no specific alignment restriction in linker script and in some cases it can be placed non 4K aligned addresses. This fails kexec which checks that segment to be loaded is page aligned. o I guess, it does not harm data segment to be 4K aligned. Signed-off-by: Vivek Goyal --- arch/i386/kernel/vmlinux.lds.S | 1 + 1 file changed, 1 insertion(+) diff -puN arch/i386/kernel/vmlinux.lds.S~i386-force-data-section-to-4K-aligned arch/i386/kernel/vmlinux.lds.S --- linux-2.6.18-git17/arch/i386/kernel/vmlinux.lds.S~i386-force-data-section-to-4K-aligned 2006-10-02 13:17:58.000000000 -0400 +++ linux-2.6.18-git17-root/arch/i386/kernel/vmlinux.lds.S 2006-10-02 14:38:17.000000000 -0400 @@ -52,6 +52,7 @@ SECTIONS } /* writeable */ + . = ALIGN(4096); .data : AT(ADDR(.data) - LOAD_OFFSET) { /* Data */ *(.data) CONSTRUCTORS _ - 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/