From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx142.postini.com [74.125.245.142]) by kanga.kvack.org (Postfix) with SMTP id C9A5B6B0002 for ; Tue, 2 Apr 2013 10:39:02 -0400 (EDT) Received: by mail-pa0-f52.google.com with SMTP id fb10so329703pad.39 for ; Tue, 02 Apr 2013 07:39:02 -0700 (PDT) Message-ID: <515AED78.7000909@gmail.com> Date: Tue, 02 Apr 2013 22:38:48 +0800 From: Jiang Liu MIME-Version: 1.0 Subject: Re: [PATCH v3, part4 26/39] mm/openrisc: prepare for removing num_physpages and simplify mem_init() References: <1364313298-17336-1-git-send-email-jiang.liu@huawei.com> <1364313298-17336-27-git-send-email-jiang.liu@huawei.com> <515A6D40.90702@southpole.se> In-Reply-To: <515A6D40.90702@southpole.se> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Jonas Bonn Cc: Andrew Morton , David Rientjes , 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, Arnd Bergmann , linux@lists.openrisc.net Hi Jonas, Thanks for testing. Regards! Gerry On 04/02/2013 01:31 PM, Jonas Bonn wrote: > On 03/26/2013 04:54 PM, Jiang Liu wrote: >> 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 > > Tested and works fine on OpenRISC. > > Acked-by: Jonas Bonn > > /Jonas > >> --- >> 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; > > -- 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