From patchwork Sun Nov 1 17:04:45 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 1391773 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=205.233.59.134; helo=merlin.infradead.org; envelope-from=linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; secure) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=merlin.20170209 header.b=EfAnqFSn; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=default header.b=bBg1swRf; dkim-atps=neutral Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4CPMrJ4Gs2z9sTD for ; Mon, 2 Nov 2020 04:05:52 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=KXFHd4sbsLPaDD3CSB73oZ+HbnH9Mg9bz38DQjwhCA8=; b=EfAnqFSnVX0S4J2/IEihkr9g8 JHH4k9zfF3uvWtjlscXWDGEHghu5ZkMuioq+9/8+A1NZ8jjoVmXnCDsJrKVHXIImFByuuxelvqVGZ 0bD68pfIntE69yjCIYNem409QoK6ru5nSeUtn8oso7oYYH63PA64vXGAJe122EqRbr0ArqTu0jjxM DJ+sEAJlSnppDie74Zkk6+M8pShILwaxfL1tSni2MU8RV/bKzDx2RRGhA/Cm82YYg+UtpvPP5pZ22 mf5XoNLj7uMZReRkaxwIqDSJlI2jjsMS5SsrTvtDHxb9UO2OHqP8i7tvV0bTQtNAZx4poxAxjcMmh NUijpTTbQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kZGnc-0002Zk-Ba; Sun, 01 Nov 2020 17:05:48 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kZGnK-0002QJ-L3; Sun, 01 Nov 2020 17:05:31 +0000 Received: from aquarius.haifa.ibm.com (nesher1.haifa.il.ibm.com [195.110.40.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5B35A2074F; Sun, 1 Nov 2020 17:05:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604250330; bh=UfaD/WmylipAS87Fv242yQHFr5+l5RhyHEWJxMmp2r8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bBg1swRfB60qFU3Q2ovW9DgutQBrPt64mGxD0JYuPQdkHCYmFJ2iu8sFNY8W65G2E HEGo6CZkpsP1J5xU8Wd5dFUKCai+IkM0YMjQPPqPLpnKTuOC+WUUbQ/tR8DWNVqpWR 3GN6RQZ1z7WBqwLQzOZumWc110ni3Md9TMRRgOQg= From: Mike Rapoport To: Andrew Morton Subject: [PATCH v2 04/13] ia64: discontig: paging_init(): remove local max_pfn calculation Date: Sun, 1 Nov 2020 19:04:45 +0200 Message-Id: <20201101170454.9567-5-rppt@kernel.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201101170454.9567-1-rppt@kernel.org> References: <20201101170454.9567-1-rppt@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201101_120530_777555_A37F00D4 X-CRM114-Status: GOOD ( 14.31 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [198.145.29.99 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.0 DKIMWL_WL_HIGH DKIMwl.org - High trust sender X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-ia64@vger.kernel.org, linux-doc@vger.kernel.org, Catalin Marinas , linux-mm@kvack.org, Will Deacon , Greg Ungerer , Jonathan Corbet , Meelis Roos , Russell King , Mike Rapoport , Geert Uytterhoeven , Matt Turner , linux-snps-arc@lists.infradead.org, Alexey Dobriyan , linux-m68k@lists.linux-m68k.org, John Paul Adrian Glaubitz , linux-arm-kernel@lists.infradead.org, Michael Schmitz , Tony Luck , Vineet Gupta , linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org, linux-fsdevel@vger.kernel.org, Mike Rapoport Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org From: Mike Rapoport The maximal PFN in the system is calculated during find_memory() time and it is stored at max_low_pfn then. Use this value in paging_init() and remove the redundant detection of max_pfn in that function. Signed-off-by: Mike Rapoport --- arch/ia64/mm/discontig.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c index d255596f52c6..f41dcf75887b 100644 --- a/arch/ia64/mm/discontig.c +++ b/arch/ia64/mm/discontig.c @@ -594,7 +594,6 @@ void __init paging_init(void) { unsigned long max_dma; unsigned long pfn_offset = 0; - unsigned long max_pfn = 0; int node; unsigned long max_zone_pfns[MAX_NR_ZONES]; @@ -616,13 +615,11 @@ void __init paging_init(void) #ifdef CONFIG_VIRTUAL_MEM_MAP NODE_DATA(node)->node_mem_map = vmem_map + pfn_offset; #endif - if (mem_data[node].max_pfn > max_pfn) - max_pfn = mem_data[node].max_pfn; } memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); max_zone_pfns[ZONE_DMA32] = max_dma; - max_zone_pfns[ZONE_NORMAL] = max_pfn; + max_zone_pfns[ZONE_NORMAL] = max_low_pfn; free_area_init(max_zone_pfns); zero_page_memmap_ptr = virt_to_page(ia64_imva(empty_zero_page));