From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx178.postini.com [74.125.245.178]) by kanga.kvack.org (Postfix) with SMTP id 84DDB6B0120 for ; Tue, 26 Mar 2013 12:01:26 -0400 (EDT) Received: by mail-pa0-f51.google.com with SMTP id jh10so1051218pab.10 for ; Tue, 26 Mar 2013 09:01:26 -0700 (PDT) From: Jiang Liu Subject: [PATCH v3, part4 26/39] mm/openrisc: prepare for removing num_physpages and simplify mem_init() Date: Tue, 26 Mar 2013 23:54:45 +0800 Message-Id: <1364313298-17336-27-git-send-email-jiang.liu@huawei.com> In-Reply-To: <1364313298-17336-1-git-send-email-jiang.liu@huawei.com> References: <1364313298-17336-1-git-send-email-jiang.liu@huawei.com> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton , David Rientjes Cc: Jiang Liu , 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, Jonas Bonn , Arnd Bergmann , linux@lists.openrisc.net Prepare for removing num_physpages and simplify mem_init(). Signed-off-by: Jiang Liu Cc: Jonas Bonn Cc: David Howells Cc: Arnd Bergmann Cc: linux@lists.openrisc.net Cc: linux-kernel@vger.kernel.org --- Hi all, Sorry for my mistake that my previous patch series has been screwed up. So I regenerate a third version and also set up a git tree at: git://github.com/jiangliu/linux.git mem_init Any help to review and test are welcomed! Regards! Gerry --- arch/openrisc/mm/init.c | 44 ++++---------------------------------------- 1 file changed, 4 insertions(+), 40 deletions(-) diff --git a/arch/openrisc/mm/init.c b/arch/openrisc/mm/init.c index 71d6b40..f3c8f47 100644 --- a/arch/openrisc/mm/init.c +++ b/arch/openrisc/mm/init.c @@ -191,56 +191,20 @@ void __init paging_init(void) /* References to section boundaries */ -static int __init free_pages_init(void) -{ - int reservedpages, pfn; - - /* this will put all low memory onto the freelists */ - free_all_bootmem(); - - reservedpages = 0; - for (pfn = 0; pfn < max_low_pfn; pfn++) { - /* - * Only count reserved RAM pages - */ - if (PageReserved(mem_map + pfn)) - reservedpages++; - } - - return reservedpages; -} - -static void __init set_max_mapnr_init(void) -{ - max_mapnr = num_physpages = max_low_pfn; -} - void __init mem_init(void) { - int codesize, reservedpages, datasize, initsize; - BUG_ON(!mem_map); - set_max_mapnr_init(); - + max_mapnr = max_low_pfn; high_memory = (void *)__va(max_low_pfn * PAGE_SIZE); /* clear the zero-page */ memset((void *)empty_zero_page, 0, PAGE_SIZE); - reservedpages = free_pages_init(); - - codesize = (unsigned long)&_etext - (unsigned long)&_stext; - datasize = (unsigned long)&_edata - (unsigned long)&_etext; - initsize = (unsigned long)&__init_end - (unsigned long)&__init_begin; + /* this will put all low memory onto the freelists */ + free_all_bootmem(); - printk(KERN_INFO - "Memory: %luk/%luk available (%dk kernel code, %dk reserved, %dk data, %dk init, %ldk highmem)\n", - (unsigned long)nr_free_pages() << (PAGE_SHIFT - 10), - max_mapnr << (PAGE_SHIFT - 10), codesize >> 10, - reservedpages << (PAGE_SHIFT - 10), datasize >> 10, - initsize >> 10, (unsigned long)(0 << (PAGE_SHIFT - 10)) - ); + mem_init_print_info(NULL); printk("mem_init_done ...........................................\n"); mem_init_done = 1; -- 1.7.9.5 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org