From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753872Ab3BADnC (ORCPT ); Thu, 31 Jan 2013 22:43:02 -0500 Received: from mail-qe0-f44.google.com ([209.85.128.44]:53623 "EHLO mail-qe0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751570Ab3BADnA (ORCPT ); Thu, 31 Jan 2013 22:43:00 -0500 Date: Thu, 31 Jan 2013 22:42:57 -0500 (EST) From: Nicolas Pitre To: Cyril Chemparathy cc: linux@arm.linux.org.uk, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, sboyd@codeaurora.org, will.deacon@arm.com, paulmck@linux.vnet.ibm.com, catalin.marinas@arm.com, marc.zyngier@arm.com, linus.walleij@linaro.org, Vitaly Andrianov Subject: Re: [PATCH v4 07/13] ARM: LPAE: define ARCH_LOW_ADDRESS_LIMIT for bootmem In-Reply-To: <1359669512-31276-8-git-send-email-cyril@ti.com> Message-ID: References: <1359669512-31276-1-git-send-email-cyril@ti.com> <1359669512-31276-8-git-send-email-cyril@ti.com> User-Agent: Alpine 2.02 (LFD 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 31 Jan 2013, Cyril Chemparathy wrote: > 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 Acked-by: Nicolas Pitre > --- > 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 >