From patchwork Tue Oct 27 11:29:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 11860005 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C98A814B2 for ; Tue, 27 Oct 2020 11:30:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A8F4422265 for ; Tue, 27 Oct 2020 11:30:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603798238; bh=UfaD/WmylipAS87Fv242yQHFr5+l5RhyHEWJxMmp2r8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=HmEiJepsO2CCZP0GaDwwEqecup6d/xPM5hJAHkqoSpBujRQQwPOaVmdeoHGmUtGB5 Y/6JL8AeaDFJAG4J3hhykAm8/EgYqXoeB7eF1O4Iwn096uFUm/AAEwKHUSG6rsYhSV 1bo2yD0LDe8afd1iCr/UuD9nFvRAZwdv+x1xmTyY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750009AbgJ0Lag (ORCPT ); Tue, 27 Oct 2020 07:30:36 -0400 Received: from mail.kernel.org ([198.145.29.99]:45620 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1749993AbgJ0Lae (ORCPT ); Tue, 27 Oct 2020 07:30:34 -0400 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 03F2122283; Tue, 27 Oct 2020 11:30:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603798233; bh=UfaD/WmylipAS87Fv242yQHFr5+l5RhyHEWJxMmp2r8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AZ3uGKlwmDzw01MtfzRYyVNFCrBHcj9hNEcpMvUBfVE6GXyYWgRs8+pNMO0tSpZ5n oKhgEP2eGtZrAXR4Jr+NuG5k7tt55ZwBXPkLdsRajrq8dYk0EnHYeNA20jabsK6JID 37xeaYZ4dJneHg8tW/gL3ZpBIbtl8c+S6BeyS9O0= From: Mike Rapoport To: Andrew Morton Cc: Alexey Dobriyan , Catalin Marinas , Geert Uytterhoeven , Greg Ungerer , John Paul Adrian Glaubitz , Jonathan Corbet , Matt Turner , Meelis Roos , Michael Schmitz , Mike Rapoport , Mike Rapoport , Russell King , Tony Luck , Vineet Gupta , Will Deacon , linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mm@kvack.org, linux-snps-arc@lists.infradead.org Subject: [PATCH 04/13] ia64: discontig: paging_init(): remove local max_pfn calculation Date: Tue, 27 Oct 2020 13:29:46 +0200 Message-Id: <20201027112955.14157-5-rppt@kernel.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201027112955.14157-1-rppt@kernel.org> References: <20201027112955.14157-1-rppt@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.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));