From patchwork Wed May 8 15:51:27 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiang Liu X-Patchwork-Id: 2540221 Return-Path: X-Original-To: patchwork-linux-parisc@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id C4CDB3FE80 for ; Wed, 8 May 2013 15:57:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932070Ab3EHP4j (ORCPT ); Wed, 8 May 2013 11:56:39 -0400 Received: from mail-pa0-f49.google.com ([209.85.220.49]:48130 "EHLO mail-pa0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932069Ab3EHP4g (ORCPT ); Wed, 8 May 2013 11:56:36 -0400 Received: by mail-pa0-f49.google.com with SMTP id bi5so1417160pad.22 for ; Wed, 08 May 2013 08:56:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:from:to:cc:subject:date:message-id:x-mailer:in-reply-to :references; bh=QbF6qJqXV47ETdCawnKJhgOw5FZPAZwCfNf0n9HixVA=; b=HlZin813aplqFVVjAWdBMxy7nOrQg0HnAK1MB3z4tPb6ZL75NyaW6Jx5sWZTje4/g3 krksX0Gnhyc0Shn783gnYB2wa24nbEX1bNxSP7opF9wyFdbWH6e7j0jRAjVT4P+oe+la mzoji0f/lJ5QwDQcj69AHdWv+23JzbsqZ3bWwfsRHIab2x9zMbOgCLfJjytD4Iy7DGYA ZUf/uDaOlcIsgl/+QH6x8mfxrVyttj2G4HFu2E6JqC7I56CxGJxPaTyNNDbXOfj5DZC4 j0kJGmg+UZq7+xVPPDkVqzeb4lF0YJcqRexyWNogsMYP5qOEmrl06lDSmodHgjtqTI9X iWfA== X-Received: by 10.68.172.5 with SMTP id ay5mr8309865pbc.73.1368028595390; Wed, 08 May 2013 08:56:35 -0700 (PDT) Received: from localhost.localdomain ([114.250.96.136]) by mx.google.com with ESMTPSA id uv1sm1782030pbc.16.2013.05.08.08.56.28 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 08 May 2013 08:56:34 -0700 (PDT) From: Jiang Liu To: Andrew Morton Cc: Jiang Liu , David Rientjes , Wen Congyang , Mel Gorman , Minchan Kim , KAMEZAWA Hiroyuki , Michal Hocko , James Bottomley , Sergei Shtylyov , David Howells , Mark Salter , Jianguo Wu , linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, "James E.J. Bottomley" , Helge Deller , Thomas Gleixner , linux-parisc@vger.kernel.org Subject: [PATCH v5, part4 30/41] mm/PARISC: prepare for removing num_physpages and simplify mem_init() Date: Wed, 8 May 2013 23:51:27 +0800 Message-Id: <1368028298-7401-31-git-send-email-jiang.liu@huawei.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1368028298-7401-1-git-send-email-jiang.liu@huawei.com> References: <1368028298-7401-1-git-send-email-jiang.liu@huawei.com> Sender: linux-parisc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org Prepare for removing num_physpages and simplify mem_init(). Signed-off-by: Jiang Liu Cc: "James E.J. Bottomley" Cc: Helge Deller Cc: Thomas Gleixner Cc: Michal Hocko Cc: David Rientjes Cc: linux-parisc@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- arch/parisc/mm/init.c | 46 +++------------------------------------------- 1 file changed, 3 insertions(+), 43 deletions(-) diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c index 1fe9d841..f80c175 100644 --- a/arch/parisc/mm/init.c +++ b/arch/parisc/mm/init.c @@ -214,7 +214,6 @@ static void __init setup_bootmem(void) mem_limit_func(); /* check for "mem=" argument */ mem_max = 0; - num_physpages = 0; for (i = 0; i < npmem_ranges; i++) { unsigned long rsize; @@ -229,10 +228,8 @@ static void __init setup_bootmem(void) npmem_ranges = i + 1; mem_max = mem_limit; } - num_physpages += pmem_ranges[i].pages; break; } - num_physpages += pmem_ranges[i].pages; mem_max += rsize; } @@ -532,7 +529,7 @@ void free_initmem(void) * pages are no-longer executable */ flush_icache_range(init_begin, init_end); - num_physpages += free_initmem_default(-1); + free_initmem_default(-1); /* set up a new led state on systems shipped LED State panel */ pdc_chassis_send_status(PDC_CHASSIS_DIRECT_BCOMPLETE); @@ -580,8 +577,6 @@ unsigned long pcxl_dma_start __read_mostly; void __init mem_init(void) { - int codesize, reservedpages, datasize, initsize; - /* Do sanity checks on page table constants */ BUILD_BUG_ON(PTE_ENTRY_SIZE != sizeof(pte_t)); BUILD_BUG_ON(PMD_ENTRY_SIZE != sizeof(pmd_t)); @@ -603,33 +598,6 @@ void __init mem_init(void) } #endif - codesize = (unsigned long)_etext - (unsigned long)_text; - datasize = (unsigned long)_edata - (unsigned long)_etext; - initsize = (unsigned long)__init_end - (unsigned long)__init_begin; - - reservedpages = 0; -{ - unsigned long pfn; -#ifdef CONFIG_DISCONTIGMEM - int i; - - for (i = 0; i < npmem_ranges; i++) { - for (pfn = node_start_pfn(i); pfn < node_end_pfn(i); pfn++) { - if (PageReserved(pfn_to_page(pfn))) - reservedpages++; - } - } -#else /* !CONFIG_DISCONTIGMEM */ - for (pfn = 0; pfn < max_pfn; pfn++) { - /* - * Only count reserved RAM pages - */ - if (PageReserved(pfn_to_page(pfn))) - reservedpages++; - } -#endif -} - #ifdef CONFIG_PA11 if (hppa_dma_ops == &pcxl_dma_ops) { pcxl_dma_start = (unsigned long)SET_MAP_OFFSET(MAP_START); @@ -643,15 +611,7 @@ void __init mem_init(void) parisc_vmalloc_start = SET_MAP_OFFSET(MAP_START); #endif - printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, %dk reserved, %dk data, %dk init)\n", - nr_free_pages() << (PAGE_SHIFT-10), - num_physpages << (PAGE_SHIFT-10), - codesize >> 10, - reservedpages << (PAGE_SHIFT-10), - datasize >> 10, - initsize >> 10 - ); - + mem_init_print_info(NULL); #ifdef CONFIG_DEBUG_KERNEL /* double-sanity-check paranoia */ printk("virtual kernel memory layout:\n" " vmalloc : 0x%p - 0x%p (%4ld MB)\n" @@ -1099,6 +1059,6 @@ void flush_tlb_all(void) #ifdef CONFIG_BLK_DEV_INITRD void free_initrd_mem(unsigned long start, unsigned long end) { - num_physpages += free_reserved_area(start, end, -1, "initrd"); + free_reserved_area(start, end, -1, "initrd"); } #endif