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ARM: switch to use the generic show_mem() implementation

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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: Mel Gorman <mgorman <mgorman@suse.de>
Tested-by: Gregory Fong <gregory.0xf0@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2015-03-26 11:43:51 +00:00
parent a6d7467898
commit 37463be865
1 changed files with 0 additions and 49 deletions
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49
arch/arm/mm/init.c
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@ -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)
{