From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-f199.google.com (mail-wr0-f199.google.com [209.85.128.199]) by kanga.kvack.org (Postfix) with ESMTP id 031D76B02B7 for ; Thu, 22 Feb 2018 07:15:38 -0500 (EST) Received: by mail-wr0-f199.google.com with SMTP id o23so3485537wrc.9 for ; Thu, 22 Feb 2018 04:15:37 -0800 (PST) Received: from mout.gmx.net (mout.gmx.net. [212.227.15.18]) by mx.google.com with ESMTPS id y20si10145249wra.369.2018.02.22.04.15.36 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 22 Feb 2018 04:15:36 -0800 (PST) From: =?UTF-8?q?Jonathan=20Neusch=C3=A4fer?= 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> 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 Sender: owner-linux-mm@kvack.org List-ID: 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 Instead of open-coding the search in page_is_ram, call memblock_is_memory. Signed-off-by: Jonathan NeuschA?fer --- 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org