From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A7959C83003 for ; Wed, 29 Apr 2020 12:14:31 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 78F4E20731 for ; Wed, 29 Apr 2020 12:14:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="hfXo1dcM"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="Fybm+idu" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 78F4E20731 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.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=ndtLm3WqSDfr7W59d72DevLZ5LuksMa4S/U6h/6drPc=; b=hfXo1dcMYlhPHM mrZMG7nx8s3EmYUhakgpzYostMnyRgCpBRFI1lIJhqEX+VlUVdA1Pz6FRkyMsgkgJ/DPZEBRIL415 bieC8iChkljyKtw+KEGSHI/SdjvDN8LOS6U0bGacnCk3G7T1H548Rv19YgsHTBHD5t7RDvEQnzuUH Q/C+dtrV2tkDGr6orVcFd9IrDemwBi3UUVBPauT1sDWtdD+GFs81VE0QBGiqdLybp9F+kOftLTVab zUsjBhg6FAbyYXmcs0cVCZ3rUJQ74skhSjeiVDtW5Z09iduxGwyCcc5wH/SYzgRqLq9CGVGtehXLI m387dtcAvdX0ocSbdHeA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jTlbi-0000Uq-Dy; Wed, 29 Apr 2020 12:14:30 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jTlbd-0000Rp-Nm; Wed, 29 Apr 2020 12:14:27 +0000 Received: from aquarius.haifa.ibm.com (nesher1.haifa.il.ibm.com [195.110.40.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 198FD2176D; Wed, 29 Apr 2020 12:14:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588162465; bh=v3pg5rQCKSDgBrwUBSTJ3WMqlUUMT1AhZF5bxYsaQHw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Fybm+idutOMmODZKIQU7tOi+El/wu/r765kUoGW+1ITFejKgicXc/K0HXwplkaEfO 7tBMtpoc+y3mNxUQHK78fVWvc4NW0/WU/iDDUTgkQ8nln/22zZWXxuO3mVONFVxeGf TqGlRUIc/YkLqOeO+k+bGnsOXDppbS5/xHPEOEkI= From: Mike Rapoport To: linux-kernel@vger.kernel.org Subject: [PATCH v2 10/20] m68k: mm: simplify detection of memory zone boundaries Date: Wed, 29 Apr 2020 15:11:16 +0300 Message-Id: <20200429121126.17989-11-rppt@kernel.org> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200429121126.17989-1-rppt@kernel.org> References: <20200429121126.17989-1-rppt@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200429_051425_814915_16A97AC8 X-CRM114-Status: GOOD ( 13.11 ) 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: Rich Felker , linux-ia64@vger.kernel.org, linux-doc@vger.kernel.org, Catalin Marinas , Heiko Carstens , Michal Hocko , "James E.J. Bottomley" , Max Filippov , Guo Ren , linux-csky@vger.kernel.org, linux-parisc@vger.kernel.org, sparclinux@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-riscv@lists.infradead.org, Mike Rapoport , Greg Ungerer , linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Baoquan He , Jonathan Corbet , linux-sh@vger.kernel.org, Michael Ellerman , Helge Deller , x86@kernel.org, Russell King , Ley Foon Tan , Yoshinori Sato , Geert Uytterhoeven , linux-arm-kernel@lists.infradead.org, Mark Salter , Matt Turner , linux-snps-arc@lists.infradead.org, uclinux-h8-devel@lists.sourceforge.jp, linux-xtensa@linux-xtensa.org, linux-alpha@vger.kernel.org, linux-um@lists.infradead.org, linux-m68k@lists.linux-m68k.org, Tony Luck , Qian Cai , Greentime Hu , Paul Walmsley , Stafford Horne , Guan Xuetao , Hoan Tran , Michal Simek , Thomas Bogendoerfer , Brian Cain , Nick Hu , linux-mm@kvack.org, Vineet Gupta , linux-mips@vger.kernel.org, openrisc@lists.librecores.org, Richard Weinberger , Andrew Morton , linuxppc-dev@lists.ozlabs.org, "David S. Miller" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org From: Mike Rapoport The free_area_init() function only requires the definition of maximal PFN for each of the supported zone rater than calculation of actual zone sizes and the sizes of the holes between the zones. After removal of CONFIG_HAVE_MEMBLOCK_NODE_MAP the free_area_init() is available to all architectures. Using this function instead of free_area_init_node() simplifies the zone detection. Signed-off-by: Mike Rapoport --- arch/m68k/mm/motorola.c | 11 +++++------ arch/m68k/mm/sun3mmu.c | 10 +++------- 2 files changed, 8 insertions(+), 13 deletions(-) diff --git a/arch/m68k/mm/motorola.c b/arch/m68k/mm/motorola.c index 84ab5963cabb..904c2a663977 100644 --- a/arch/m68k/mm/motorola.c +++ b/arch/m68k/mm/motorola.c @@ -365,7 +365,7 @@ static void __init map_node(int node) */ void __init paging_init(void) { - unsigned long zones_size[MAX_NR_ZONES] = { 0, }; + unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0, }; unsigned long min_addr, max_addr; unsigned long addr; int i; @@ -448,11 +448,10 @@ void __init paging_init(void) #ifdef DEBUG printk ("before free_area_init\n"); #endif - for (i = 0; i < m68k_num_memory; i++) { - zones_size[ZONE_DMA] = m68k_memory[i].size >> PAGE_SHIFT; - free_area_init_node(i, zones_size, - m68k_memory[i].addr >> PAGE_SHIFT, NULL); + for (i = 0; i < m68k_num_memory; i++) if (node_present_pages(i)) node_set_state(i, N_NORMAL_MEMORY); - } + + max_zone_pfn[ZONE_DMA] = memblock_end_of_DRAM(); + free_area_init(max_zone_pfn); } diff --git a/arch/m68k/mm/sun3mmu.c b/arch/m68k/mm/sun3mmu.c index eca1c46bb90a..5d8d956d9329 100644 --- a/arch/m68k/mm/sun3mmu.c +++ b/arch/m68k/mm/sun3mmu.c @@ -42,7 +42,7 @@ void __init paging_init(void) unsigned long address; unsigned long next_pgtable; unsigned long bootmem_end; - unsigned long zones_size[MAX_NR_ZONES] = { 0, }; + unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0, }; unsigned long size; empty_zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE); @@ -89,14 +89,10 @@ void __init paging_init(void) current->mm = NULL; /* memory sizing is a hack stolen from motorola.c.. hope it works for us */ - zones_size[ZONE_DMA] = ((unsigned long)high_memory - PAGE_OFFSET) >> PAGE_SHIFT; + max_zone_pfn[ZONE_DMA] = ((unsigned long)high_memory) >> PAGE_SHIFT; /* I really wish I knew why the following change made things better... -- Sam */ -/* free_area_init(zones_size); */ - free_area_init_node(0, zones_size, - (__pa(PAGE_OFFSET) >> PAGE_SHIFT) + 1, NULL); + free_area_init(max_zone_pfn); } - - -- 2.26.1 _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc