From 783979830de8d50bde10c6b5ccce92cc37f67d5a Mon Sep 17 00:00:00 2001 From: Jiang Liu Date: Wed, 19 Jun 2013 10:06:26 +1000 Subject: [PATCH] mm/ARC: prepare for removing num_physpages and simplify mem_init() Prepare for removing num_physpages and simplify mem_init(). Signed-off-by: Jiang Liu Acked-by: Vineet Gupta # for arch/arc Cc: James Hogan Cc: Rob Herring Signed-off-by: Andrew Morton --- arch/arc/mm/init.c | 36 +++--------------------------------- 1 file changed, 3 insertions(+), 33 deletions(-) diff --git a/arch/arc/mm/init.c b/arch/arc/mm/init.c index c668a600f652..a08ce7185423 100644 --- a/arch/arc/mm/init.c +++ b/arch/arc/mm/init.c @@ -74,7 +74,7 @@ void __init setup_arch_memory(void) /* Last usable page of low mem (no HIGHMEM yet for ARC port) */ max_low_pfn = max_pfn = PFN_DOWN(end_mem); - max_mapnr = num_physpages = max_low_pfn - min_low_pfn; + max_mapnr = max_low_pfn - min_low_pfn; /*------------- reserve kernel image -----------------------*/ memblock_reserve(CONFIG_LINUX_LINK_BASE, @@ -84,7 +84,7 @@ void __init setup_arch_memory(void) /*-------------- node setup --------------------------------*/ memset(zones_size, 0, sizeof(zones_size)); - zones_size[ZONE_NORMAL] = num_physpages; + zones_size[ZONE_NORMAL] = max_low_pfn - min_low_pfn; /* * We can't use the helper free_area_init(zones[]) because it uses @@ -106,39 +106,9 @@ void __init setup_arch_memory(void) */ void __init mem_init(void) { - int codesize, datasize, initsize, reserved_pages, free_pages; - int tmp; - high_memory = (void *)(CONFIG_LINUX_LINK_BASE + arc_mem_sz); - free_all_bootmem(); - - /* count all reserved pages [kernel code/data/mem_map..] */ - reserved_pages = 0; - for (tmp = 0; tmp < max_mapnr; tmp++) - if (PageReserved(mem_map + tmp)) - reserved_pages++; - - /* XXX: nr_free_pages() is equivalent */ - free_pages = max_mapnr - reserved_pages; - - /* - * For the purpose of display below, split the "reserve mem" - * kernel code/data is already shown explicitly, - * Show any other reservations (mem_map[ ] et al) - */ - reserved_pages -= (((unsigned int)_end - CONFIG_LINUX_LINK_BASE) >> - PAGE_SHIFT); - - codesize = _etext - _text; - datasize = _end - _etext; - initsize = __init_end - __init_begin; - - pr_info("Memory Available: %dM / %ldM (%dK code, %dK data, %dK init, %dK reserv)\n", - PAGES_TO_MB(free_pages), - TO_MB(arc_mem_sz), - TO_KB(codesize), TO_KB(datasize), TO_KB(initsize), - PAGES_TO_KB(reserved_pages)); + mem_init_print_info(NULL); } /* -- 2.39.5