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: 11872153 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 DD7D31130 for ; Sun, 1 Nov 2020 17:05:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B4C7122246 for ; Sun, 1 Nov 2020 17:05:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604250334; bh=UfaD/WmylipAS87Fv242yQHFr5+l5RhyHEWJxMmp2r8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=YP7d4QXXOqr98Z0SOS5KXgkuw7cWXUBnNhVOx+2DBN0fCMR8LdWBD2Bwm14GuHj4O coXGc9KqvnMnqGzYb73HZaykmgLDxXRZfFqmv4DHqsUQNeJeJpLxYLypr7JyeM+CX3 z80LOhI+sGHQGIaFlOFxtFY8cPVaEmN8mb8g55ow= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727188AbgKARFe (ORCPT ); Sun, 1 Nov 2020 12:05:34 -0500 Received: from mail.kernel.org ([198.145.29.99]:39078 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727024AbgKARFa (ORCPT ); Sun, 1 Nov 2020 12:05:30 -0500 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 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 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 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));