From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932236AbeBVMQC (ORCPT ); Thu, 22 Feb 2018 07:16:02 -0500 Received: from mout.gmx.net ([212.227.15.18]:60617 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932159AbeBVMQB (ORCPT ); Thu, 22 Feb 2018 07:16:01 -0500 From: =?UTF-8?q?Jonathan=20Neusch=C3=A4fer?= To: linuxppc-dev@lists.ozlabs.org Cc: linux-kernel@vger.kernel.org, Michael Ellerman , linux-mm@kvack.org, Joel Stanley , Christophe LEROY , =?UTF-8?q?Jonathan=20Neusch=C3=A4fer?= , Benjamin Herrenschmidt , Paul Mackerras , Vlastimil Babka , Michal Hocko , Andrew Morton , Balbir Singh , Joe Perches , "Oliver O'Halloran" Subject: [PATCH 1/5] powerpc: mm: Simplify page_is_ram by using memblock_is_memory Date: Thu, 22 Feb 2018 13:15:12 +0100 Message-Id: <20180222121516.23415-2-j.neuschaefer@gmx.net> X-Mailer: git-send-email 2.16.1 In-Reply-To: <20180222121516.23415-1-j.neuschaefer@gmx.net> References: <20180222121516.23415-1-j.neuschaefer@gmx.net> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K0:XWvX93o2JH6Wl8FiQeMc/lflGyGAM8DKpJg5Ji2lItwpqGkAXWa U/8KcD1gEFpuUITxWvNEvmpUFQLKa75G4D6IvPRVQBCHayPJr16SYCLZ/caPTsZpmhZ++ss 6iIdi1dD1HOOhQr6L7gHcdApWQAyWSDrJwQCqFDApuqxPQTBPBoU+MKzLtjcYvQYMb6yW46 MdEBIJu6eN+PTG9FzddGQ== X-UI-Out-Filterresults: notjunk:1;V01:K0:DfaDm+0sUEg=:6ZmFnhGfjolenyLucpe3Z4 ZBMJWSgSg6fhiFc91cWovZVjKjLAWFpzzhD39TlrjWDhoVcCe+640XxPzKmAqn14XqqLf5TYW UqiLahb8NRWR43j8h3BsIZRc2LqGXgfkjmgnyT0+RpGkY8d/1t1exonsHDiLKDoRgUpv7Jh1S tNI6LXIfVv4YGEUJCf+eGvD/qb6Ez+9Sy8afRPtgBcXlXDMsyW8FLgmWlLqYYBoTKa3Nx/ca4 PqoP91tEVu6lOt9hcqyKVcczqxIK16mR9OP0VcPNqbr4DLowdiYJJzZZ7WhRezQks/E2O7FLG 36IzcM50rR94qhEz4VuiE44T4eBQmAnvDrHNn9aA9rtJSwl1pxdlMtU59MFI5QZp9XqmMMh0w JnznJuM6C56qoRB1CXb3T9di9bi1A8WHzyqkMyOKnFE20pv3PjeU8R3q/1ZRWJ3WDuMK7D9gx 9bjqk5sieVOclH1BUL7CfN0z45khVanfxOcWVzhgXirEwRgTTUIHksSwRr8sz69Q8Ze3sshYO qk7kLMxvX97WTR8GU5ol0SkGfcBRr7jXwHEsng1TAQtCGLgPvLAuXvF5vGTO4IW7g7V0xiaWq u2Gv/pNACkAN8fz2hruS8ZKHGKBWK9qZoRIYaSPULfNnedsyn+Uqxkxa5cd6kwEmRT7AYclgF 2zmfY3vq1CdOv7JGlglBs01kFzpVOw9juWULsDS3u+ZfOtS5pGtJp5TzjJdtP/XgZStFmn2RY 0827fuVo0/XkIqGRNFhXyUgeq8E3UxL3q2BqTJg8r3zuI4zjks7+1cC2Xmt5V/kkCks9a7POn Z7wtN7lrQ/uCAJOiYIflovVhCUEN2Xydg4GJxkqTQYn8T4C47c= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Instead of open-coding the search in page_is_ram, call memblock_is_memory. Signed-off-by: Jonathan Neuschäfer --- arch/powerpc/mm/mem.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index fe8c61149fb8..da4e1555d61d 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -85,13 +85,7 @@ int page_is_ram(unsigned long pfn) #ifndef CONFIG_PPC64 /* XXX for now */ return pfn < max_pfn; #else - unsigned long paddr = (pfn << PAGE_SHIFT); - struct memblock_region *reg; - - for_each_memblock(memory, reg) - if (paddr >= reg->base && paddr < (reg->base + reg->size)) - return 1; - return 0; + return memblock_is_memory(__pfn_to_phys(pfn)); #endif } -- 2.16.1