From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755697Ab2GXBLm (ORCPT ); Mon, 23 Jul 2012 21:11:42 -0400 Received: from devils.ext.ti.com ([198.47.26.153]:37385 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755642Ab2GXBKX (ORCPT ); Mon, 23 Jul 2012 21:10:23 -0400 From: Cyril Chemparathy To: CC: , , , , Cyril Chemparathy , Vitaly Andrianov Subject: [RFC 13/23] ARM: LPAE: define ARCH_LOW_ADDRESS_LIMIT for bootmem Date: Mon, 23 Jul 2012 21:09:15 -0400 Message-ID: <1343092165-9470-14-git-send-email-cyril@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1343092165-9470-1-git-send-email-cyril@ti.com> References: <1343092165-9470-1-git-send-email-cyril@ti.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds an architecture defined override for ARCH_LOW_ADDRESS_LIMIT. On PAE systems, the absence of this override causes bootmem to incorrectly limit itself to 32-bit addressable physical memory. Signed-off-by: Cyril Chemparathy Signed-off-by: Vitaly Andrianov --- arch/arm/include/asm/memory.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index 7629dfe..c330a23 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -285,6 +285,8 @@ static inline __deprecated void *bus_to_virt(unsigned long x) #define arch_is_coherent() 0 #endif +#define ARCH_LOW_ADDRESS_LIMIT PHYS_MASK + #endif #include -- 1.7.9.5