[PATCH] ARM: switch to use the generic show_mem() implementation
Russell King
rmk+kernel at arm.linux.org.uk
Mon Mar 30 14:41:01 PDT 2015
Switch ARM to use the generic show_mem() implementation, which displays
the statistics from the mm zone rather than walking the page arrays.
Signed-off-by: Russell King <rmk+kernel at arm.linux.org.uk>
---
Any objections to merging this?
arch/arm/mm/init.c | 49 -------------------------------------------------
1 file changed, 49 deletions(-)
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 1609b022a72f..ae369c1066e6 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -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)
{
--
1.8.3.1
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