From: Jiang Liu Date: Thu, 27 Jun 2013 23:51:57 +0000 (+1000) Subject: mm/IA64: prepare for removing num_physpages and simplify mem_init() X-Git-Tag: next-20130628~3^2~475 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=7129b3e4d73d48a188d840cdd618cdc456f56372;p=karo-tx-linux.git mm/IA64: prepare for removing num_physpages and simplify mem_init() Prepare for removing num_physpages and simplify mem_init(). Signed-off-by: Jiang Liu Cc: Tony Luck Cc: Fenghua Yu Cc: Zhang Yanfei Signed-off-by: Andrew Morton --- diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c index 142c3b785944..da5237d636d6 100644 --- a/arch/ia64/mm/contig.c +++ b/arch/ia64/mm/contig.c @@ -294,14 +294,6 @@ find_memory (void) alloc_per_cpu_data(); } -static int count_pages(u64 start, u64 end, void *arg) -{ - unsigned long *count = arg; - - *count += (end - start) >> PAGE_SHIFT; - return 0; -} - /* * Set up the page tables. */ @@ -312,9 +304,6 @@ paging_init (void) unsigned long max_dma; unsigned long max_zone_pfns[MAX_NR_ZONES]; - num_physpages = 0; - efi_memmap_walk(count_pages, &num_physpages); - memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); #ifdef CONFIG_ZONE_DMA max_dma = virt_to_phys((void *) MAX_DMA_ADDRESS) >> PAGE_SHIFT; diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c index 7253d83650bf..2de08f4d9930 100644 --- a/arch/ia64/mm/discontig.c +++ b/arch/ia64/mm/discontig.c @@ -37,7 +37,6 @@ struct early_node_data { struct ia64_node_data *node_data; unsigned long pernode_addr; unsigned long pernode_size; - unsigned long num_physpages; #ifdef CONFIG_ZONE_DMA unsigned long num_dma_physpages; #endif @@ -732,7 +731,6 @@ static __init int count_node_pages(unsigned long start, unsigned long len, int n { unsigned long end = start + len; - mem_data[node].num_physpages += len >> PAGE_SHIFT; #ifdef CONFIG_ZONE_DMA if (start <= __pa(MAX_DMA_ADDRESS)) mem_data[node].num_dma_physpages += @@ -778,7 +776,6 @@ void __init paging_init(void) #endif for_each_online_node(node) { - num_physpages += mem_data[node].num_physpages; pfn_offset = mem_data[node].min_pfn; #ifdef CONFIG_VIRTUAL_MEM_MAP diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index d141f7ea0be5..2d372b4c5f70 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -545,19 +545,6 @@ int __init register_active_ranges(u64 start, u64 len, int nid) return 0; } -static int __init -count_reserved_pages(u64 start, u64 end, void *arg) -{ - unsigned long num_reserved = 0; - unsigned long *count = arg; - - for (; start < end; start += PAGE_SIZE) - if (PageReserved(virt_to_page(start))) - ++num_reserved; - *count += num_reserved; - return 0; -} - int find_max_min_low_pfn (u64 start, u64 end, void *arg) { @@ -596,7 +583,6 @@ __setup("nolwsys", nolwsys_setup); void __init mem_init (void) { - long reserved_pages, codesize, datasize, initsize; pg_data_t *pgdat; int i; @@ -624,18 +610,7 @@ mem_init (void) if (pgdat->bdata->node_bootmem_map) free_all_bootmem_node(pgdat); - reserved_pages = 0; - efi_memmap_walk(count_reserved_pages, &reserved_pages); - - codesize = (unsigned long) _etext - (unsigned long) _stext; - datasize = (unsigned long) _edata - (unsigned long) _etext; - initsize = (unsigned long) __init_end - (unsigned long) __init_begin; - - printk(KERN_INFO "Memory: %luk/%luk available (%luk code, %luk reserved, " - "%luk data, %luk init)\n", nr_free_pages() << (PAGE_SHIFT - 10), - num_physpages << (PAGE_SHIFT - 10), codesize >> 10, - reserved_pages << (PAGE_SHIFT - 10), datasize >> 10, initsize >> 10); - + mem_init_print_info(NULL); /* * For fsyscall entrpoints with no light-weight handler, use the ordinary