From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756122Ab3EaPJX (ORCPT ); Fri, 31 May 2013 11:09:23 -0400 Received: from mail-we0-f177.google.com ([74.125.82.177]:63342 "EHLO mail-we0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754845Ab3EaPJN (ORCPT ); Fri, 31 May 2013 11:09:13 -0400 From: Lee Jones To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: arnd@arndb.de, linus.walleij@stericsson.com, srinidhi.kasagar@stericsson.com, Lee Jones Subject: [PATCH] ARM: ux500: Enable HIGHMEM in the u8540 defconfig Date: Fri, 31 May 2013 16:09:06 +0100 Message-Id: <1370012946-7374-1-git-send-email-lee.jones@linaro.org> X-Mailer: git-send-email 1.7.10.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In order to utilise all of the memory located on ux500 based devices we have to enable HIGHMEM. Without it the kernel truncates memory down to what's left after the PAGE_OFFSET has been applied, which doesn't leave an awful lot, especially if we're running large rootfs' such as full Linux desktop distributions or Android. Signed-off-by: Lee Jones --- arch/arm/configs/u8500_defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/configs/u8500_defconfig b/arch/arm/configs/u8500_defconfig index 2d322d2..38d633a 100644 --- a/arch/arm/configs/u8500_defconfig +++ b/arch/arm/configs/u8500_defconfig @@ -1,3 +1,4 @@ +CONFIG_HIGHMEM=y # CONFIG_SWAP is not set CONFIG_SYSVIPC=y CONFIG_NO_HZ=y -- 1.7.10.4