arch/mips/mm/pgtable.c

   1 #include <linux/kernel.h>
   2 #include <linux/mm.h>
   3 #include <linux/swap.h>
   4
   5 void show_mem(void)
   6 {
   7 #ifndef CONFIG_NEED_MULTIPLE_NODES  /* XXX(hch): later.. */
   8         int pfn, total = 0, reserved = 0;
   9         int shared = 0, cached = 0;
  10         int highmem = 0;
  11         struct page *page;
  12
  13         printk("Mem-info:\n");
  14         show_free_areas();
  15         pfn = max_mapnr;
  16         while (pfn-- > 0) {
  17                 if (!pfn_valid(pfn))
  18                         continue;
  19                 page = pfn_to_page(pfn);
  20                 total++;
  21                 if (PageHighMem(page))
  22                         highmem++;
  23                 if (PageReserved(page))
  24                         reserved++;
  25                 else if (PageSwapCache(page))
  26                         cached++;
  27                 else if (page_count(page))
  28                         shared += page_count(page) - 1;
  29         }
  30         printk("%d pages of RAM\n", total);
  31         printk("%d pages of HIGHMEM\n", highmem);
  32         printk("%d reserved pages\n", reserved);
  33         printk("%d pages shared\n", shared);
  34         printk("%d pages swap cached\n", cached);
  35 #endif
  36 }