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Commit 37463be8 authored by Russell King's avatar Russell King
Browse files

ARM: switch to use the generic show_mem() implementation 



Switch ARM to use the generic show_mem() implementation, which displays
the statistics from the mm zone rather than walking the page arrays.

Acked-by: default avatarMel Gorman &lt;mgorman <mgorman@suse.de>
Tested-by: default avatarGregory Fong <gregory.0xf0@gmail.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent a6d74678

arch/arm/mm/init.c

+0 −49
Original line number Diff line number Diff line
@@ -86,55 +86,6 @@ static int __init parse_tag_initrd2(const struct tag *tag) 


__tagtable(ATAG_INITRD2, parse_tag_initrd2);



/*

 * This keeps memory configuration data used by a couple memory

 * initialization functions, as well as show_mem() for the skipping

 * of holes in the memory map.  It is populated by arm_add_memory().

 */

void show_mem(unsigned int filter)

{

	int free = 0, total = 0, reserved = 0;

	int shared = 0, cached = 0, slab = 0;

	struct memblock_region *reg;



	printk("Mem-info:\n");

	show_free_areas(filter);



	for_each_memblock (memory, reg) {

		unsigned int pfn1, pfn2;

		struct page *page, *end;



		pfn1 = memblock_region_memory_base_pfn(reg);

		pfn2 = memblock_region_memory_end_pfn(reg);



		page = pfn_to_page(pfn1);

		end  = pfn_to_page(pfn2 - 1) + 1;



		do {

			total++;

			if (PageReserved(page))

				reserved++;

			else if (PageSwapCache(page))

				cached++;

			else if (PageSlab(page))

				slab++;

			else if (!page_count(page))

				free++;

			else

				shared += page_count(page) - 1;

			pfn1++;

			page = pfn_to_page(pfn1);

		} while (pfn1 < pfn2);

	}



	printk("%d pages of RAM\n", total);

	printk("%d free pages\n", free);

	printk("%d reserved pages\n", reserved);

	printk("%d slab pages\n", slab);

	printk("%d pages shared\n", shared);

	printk("%d pages swap cached\n", cached);

}



static void __init find_limits(unsigned long *min, unsigned long *max_low,

			       unsigned long *max_high)

{