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| author | Jiang Liu <liuj97@gmail.com> | 2013-07-03 15:03:47 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-03 16:07:35 -0700 |
| commit | de35e1b828cb21d027265847ca32e5b9cff1c1e9 (patch) | |
| tree | d92d2c7cea6f5b3192eaf2170752f73a23965f2d | |
| parent | d385d9ee7add81254cb7094d616138089ea500f5 (diff) | |
| download | blackbird-op-linux-de35e1b828cb21d027265847ca32e5b9cff1c1e9.tar.gz blackbird-op-linux-de35e1b828cb21d027265847ca32e5b9cff1c1e9.zip | |
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 <jiang.liu@huawei.com>
Acked-by: Vineet Gupta <vgupta@synopsys.com> # for arch/arc
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | arch/arc/mm/init.c | 36 |
1 files 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); } /* |
