From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx190.postini.com [74.125.245.190]) by kanga.kvack.org (Postfix) with SMTP id 5702D6B003D for ; Sun, 24 Mar 2013 03:28:34 -0400 (EDT) Received: by mail-pd0-f171.google.com with SMTP id z10so82279pdj.2 for ; Sun, 24 Mar 2013 00:28:33 -0700 (PDT) From: Jiang Liu Subject: [RFC PATCH v2, part4 10/39] mm/alpha: prepare for removing num_physpages and simplify mem_init() Date: Sun, 24 Mar 2013 15:24:37 +0800 Message-Id: <1364109934-7851-12-git-send-email-jiang.liu@huawei.com> In-Reply-To: <1364109934-7851-1-git-send-email-jiang.liu@huawei.com> References: <1364109934-7851-1-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 , Jianguo Wu , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Richard Henderson , Ivan Kokshaysky , Matt Turner , David Howells , linux-alpha@vger.kernel.org Prepare for removing num_physpages and simplify mem_init(). Signed-off-by: Jiang Liu Cc: Richard Henderson Cc: Ivan Kokshaysky Cc: Matt Turner Cc: David Howells Cc: linux-alpha@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- arch/alpha/mm/init.c | 32 ++------------------------------ arch/alpha/mm/numa.c | 34 +++++----------------------------- 2 files changed, 7 insertions(+), 59 deletions(-) diff --git a/arch/alpha/mm/init.c b/arch/alpha/mm/init.c index ca07a97..04c933c 100644 --- a/arch/alpha/mm/init.c +++ b/arch/alpha/mm/init.c @@ -277,42 +277,14 @@ srm_paging_stop (void) #endif #ifndef CONFIG_DISCONTIGMEM -static void __init -printk_memory_info(void) -{ - unsigned long codesize, reservedpages, datasize, initsize, tmp; - extern int page_is_ram(unsigned long) __init; - - /* printk all informations */ - reservedpages = 0; - for (tmp = 0; tmp < max_low_pfn; tmp++) - /* - * Only count reserved RAM pages - */ - if (page_is_ram(tmp) && PageReserved(mem_map+tmp)) - reservedpages++; - - codesize = (unsigned long) &_etext - (unsigned long) &_text; - datasize = (unsigned long) &_edata - (unsigned long) &_data; - initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin; - - printk("Memory: %luk/%luk available (%luk kernel code, %luk reserved, %luk data, %luk init)\n", - nr_free_pages() << (PAGE_SHIFT-10), - max_mapnr << (PAGE_SHIFT-10), - codesize >> 10, - reservedpages << (PAGE_SHIFT-10), - datasize >> 10, - initsize >> 10); -} - void __init mem_init(void) { - max_mapnr = num_physpages = max_low_pfn; + max_mapnr = max_low_pfn; free_all_bootmem(); high_memory = (void *) __va(max_low_pfn * PAGE_SIZE); - printk_memory_info(); + mem_init_print_info(NULL); } #endif /* CONFIG_DISCONTIGMEM */ diff --git a/arch/alpha/mm/numa.c b/arch/alpha/mm/numa.c index 857452c..e5086fc 100644 --- a/arch/alpha/mm/numa.c +++ b/arch/alpha/mm/numa.c @@ -129,8 +129,6 @@ setup_memory_node(int nid, void *kernel_end) if (node_max_pfn > max_low_pfn) max_pfn = max_low_pfn = node_max_pfn; - num_physpages += node_max_pfn - node_min_pfn; - #if 0 /* we'll try this one again in a little while */ /* Cute trick to make sure our local node data is on local memory */ node_data[nid] = (pg_data_t *)(__va(node_min_pfn << PAGE_SHIFT)); @@ -324,37 +322,15 @@ void __init paging_init(void) void __init mem_init(void) { - unsigned long codesize, reservedpages, datasize, initsize, pfn; - extern int page_is_ram(unsigned long) __init; - unsigned long nid, i; + unsigned long nid; + high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT); - reservedpages = 0; - for_each_online_node(nid) { - /* - * This will free up the bootmem, ie, slot 0 memory - */ + /* This will free up the bootmem, ie, slot 0 memory */ + for_each_online_node(nid) free_all_bootmem_node(NODE_DATA(nid)); - pfn = NODE_DATA(nid)->node_start_pfn; - for (i = 0; i < node_spanned_pages(nid); i++, pfn++) - if (page_is_ram(pfn) && - PageReserved(nid_page_nr(nid, i))) - reservedpages++; - } - - codesize = (unsigned long) &_etext - (unsigned long) &_text; - datasize = (unsigned long) &_edata - (unsigned long) &_data; - initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin; - - printk("Memory: %luk/%luk available (%luk kernel code, %luk reserved, " - "%luk data, %luk 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); #if 0 mem_stress(); #endif -- 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