From patchwork Thu Jan 31 21:58:26 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cyril Chemparathy X-Patchwork-Id: 2075591 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork2.kernel.org (Postfix) with ESMTP id C7465DF2E5 for ; Thu, 31 Jan 2013 22:01:38 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1U129j-0001Aa-Hl; Thu, 31 Jan 2013 21:58:51 +0000 Received: from comal.ext.ti.com ([198.47.26.152]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1U129f-000183-7D for linux-arm-kernel@lists.infradead.org; Thu, 31 Jan 2013 21:58:48 +0000 Received: from dlelxv30.itg.ti.com ([172.17.2.17]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id r0VLwbTj008908; Thu, 31 Jan 2013 15:58:37 -0600 Received: from DLEE74.ent.ti.com (dlee74.ent.ti.com [157.170.170.8]) by dlelxv30.itg.ti.com (8.13.8/8.13.8) with ESMTP id r0VLwbYo021455; Thu, 31 Jan 2013 15:58:37 -0600 Received: from dlelxv22.itg.ti.com (172.17.1.197) by DLEE74.ent.ti.com (157.170.170.8) with Microsoft SMTP Server id 14.1.323.3; Thu, 31 Jan 2013 15:58:37 -0600 Received: from ares-ubuntu.am.dhcp.ti.com (ares-ubuntu.am.dhcp.ti.com [158.218.103.17]) by dlelxv22.itg.ti.com (8.13.8/8.13.8) with ESMTP id r0VLwbQE020065; Thu, 31 Jan 2013 15:58:37 -0600 Received: from a0875269 by ares-ubuntu.am.dhcp.ti.com with local (Exim 4.76) (envelope-from ) id 1U129U-00089I-UX; Thu, 31 Jan 2013 16:58:36 -0500 From: Cyril Chemparathy To: , , 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130131_165847_328831_838CB93D X-CRM114-Status: UNSURE ( 8.35 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -4.6 (----) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-4.6 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high trust [198.47.26.152 listed in list.dnswl.org] 3.0 KHOP_BIG_TO_CC Sent to 10+ recipients instaed of Bcc or a list -0.0 SPF_PASS SPF: sender matches SPF record -0.7 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: nico@linaro.org, marc.zyngier@arm.com, sboyd@codeaurora.org, linus.walleij@linaro.org, Cyril Chemparathy , will.deacon@arm.com, Vitaly Andrianov , catalin.marinas@arm.com, paulmck@linux.vnet.ibm.com X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.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 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