From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758119Ab3CEPCZ (ORCPT ); Tue, 5 Mar 2013 10:02:25 -0500 Received: from mail-pb0-f51.google.com ([209.85.160.51]:50596 "EHLO mail-pb0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756051Ab3CEPCW (ORCPT ); Tue, 5 Mar 2013 10:02:22 -0500 From: Jiang Liu To: Andrew Morton , David Rientjes Cc: Jiang Liu , Wen Congyang , Maciej Rutecki , Chris Clayton , "Rafael J . Wysocki" , Mel Gorman , Minchan Kim , KAMEZAWA Hiroyuki , Michal Hocko , Jianguo Wu , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Guan Xuetao Subject: [RFC PATCH v1 24/33] mm/unicore32: use common help functions to free reserved pages Date: Tue, 5 Mar 2013 22:55:07 +0800 Message-Id: <1362495317-32682-25-git-send-email-jiang.liu@huawei.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1362495317-32682-1-git-send-email-jiang.liu@huawei.com> References: <1362495317-32682-1-git-send-email-jiang.liu@huawei.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use common help functions to free reserved pages. Signed-off-by: Jiang Liu Cc: Guan Xuetao --- arch/unicore32/mm/init.c | 26 ++------------------------ 1 file changed, 2 insertions(+), 24 deletions(-) diff --git a/arch/unicore32/mm/init.c b/arch/unicore32/mm/init.c index de186bd..ed153c5 100644 --- a/arch/unicore32/mm/init.c +++ b/arch/unicore32/mm/init.c @@ -313,24 +313,6 @@ void __init bootmem_init(void) max_pfn = max_high - PHYS_PFN_OFFSET; } -static inline int free_area(unsigned long pfn, unsigned long end, char *s) -{ - unsigned int pages = 0, size = (end - pfn) << (PAGE_SHIFT - 10); - - for (; pfn < end; pfn++) { - struct page *page = pfn_to_page(pfn); - ClearPageReserved(page); - init_page_count(page); - __free_page(page); - pages++; - } - - if (size && s) - printk(KERN_INFO "Freeing %s memory: %dK\n", s, size); - - return pages; -} - static inline void free_memmap(unsigned long start_pfn, unsigned long end_pfn) { @@ -491,9 +473,7 @@ void __init mem_init(void) void free_initmem(void) { - totalram_pages += free_area(__phys_to_pfn(__pa(__init_begin)), - __phys_to_pfn(__pa(__init_end)), - "init"); + free_initmem_default(0); } #ifdef CONFIG_BLK_DEV_INITRD @@ -503,9 +483,7 @@ static int keep_initrd; void free_initrd_mem(unsigned long start, unsigned long end) { if (!keep_initrd) - totalram_pages += free_area(__phys_to_pfn(__pa(start)), - __phys_to_pfn(__pa(end)), - "initrd"); + free_reserved_area(start, end, 0, "initrd"); } static int __init keepinitrd_setup(char *__unused) -- 1.7.9.5