From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757387Ab3CEO7z (ORCPT ); Tue, 5 Mar 2013 09:59:55 -0500 Received: from mail-pb0-f51.google.com ([209.85.160.51]:33565 "EHLO mail-pb0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757049Ab3CEO7x (ORCPT ); Tue, 5 Mar 2013 09:59:53 -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, Tony Luck , Fenghua Yu Subject: [RFC PATCH v1 10/33] mm/IA64: use common help functions to free reserved pages Date: Tue, 5 Mar 2013 22:54:53 +0800 Message-Id: <1362495317-32682-11-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: Tony Luck Cc: Fenghua Yu --- arch/ia64/mm/init.c | 23 ++++------------------- 1 file changed, 4 insertions(+), 19 deletions(-) diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index 20bc967..d1fe4b4 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -154,25 +154,14 @@ ia64_init_addr_space (void) void free_initmem (void) { - unsigned long addr, eaddr; - - addr = (unsigned long) ia64_imva(__init_begin); - eaddr = (unsigned long) ia64_imva(__init_end); - while (addr < eaddr) { - ClearPageReserved(virt_to_page(addr)); - init_page_count(virt_to_page(addr)); - free_page(addr); - ++totalram_pages; - addr += PAGE_SIZE; - } - printk(KERN_INFO "Freeing unused kernel memory: %ldkB freed\n", - (__init_end - __init_begin) >> 10); + free_reserved_area((unsigned long)ia64_imva(__init_begin), + (unsigned long)ia64_imva(__init_end), + 0, "unused kernel"); } void __init free_initrd_mem (unsigned long start, unsigned long end) { - struct page *page; /* * EFI uses 4KB pages while the kernel can use 4KB or bigger. * Thus EFI and the kernel may have different page sizes. It is @@ -213,11 +202,7 @@ free_initrd_mem (unsigned long start, unsigned long end) for (; start < end; start += PAGE_SIZE) { if (!virt_addr_valid(start)) continue; - page = virt_to_page(start); - ClearPageReserved(page); - init_page_count(page); - free_page(start); - ++totalram_pages; + free_reserved_page(virt_to_page(start)); } } -- 1.7.9.5