From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755299Ab3AaV6u (ORCPT ); Thu, 31 Jan 2013 16:58:50 -0500 Received: from comal.ext.ti.com ([198.47.26.152]:55540 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752100Ab3AaV6s (ORCPT ); Thu, 31 Jan 2013 16:58:48 -0500 From: Cyril Chemparathy To: , , CC: , , , , , , , Cyril Chemparathy , Vitaly Andrianov Subject: [PATCH v4 07/13] ARM: LPAE: define ARCH_LOW_ADDRESS_LIMIT for bootmem Date: Thu, 31 Jan 2013 16:58:26 -0500 Message-ID: <1359669512-31276-8-git-send-email-cyril@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1359669512-31276-1-git-send-email-cyril@ti.com> References: <1359669512-31276-1-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 73cf03a..8825abb 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -275,6 +275,8 @@ static inline __deprecated void *bus_to_virt(unsigned long x) #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) #define virt_addr_valid(kaddr) ((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory) +#define ARCH_LOW_ADDRESS_LIMIT PHYS_MASK + #endif #include -- 1.7.9.5