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         printk("Free swap:       %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10));
  16         pfn = max_mapnr;
  17         while (pfn-- > 0) {
  18                 if (!pfn_valid(pfn))
  19                         continue;
  20                 page = pfn_to_page(pfn);
  21                 total++;
  22                 if (PageHighMem(page))
  23                         highmem++;
  24                 if (PageReserved(page))
  25                         reserved++;
  26                 else if (PageSwapCache(page))
  27                         cached++;
  28                 else if (page_count(page))
  29                         shared += page_count(page) - 1;
  30         }
  31         printk("%d pages of RAM\n", total);
  32         printk("%d pages of HIGHMEM\n", highmem);
  33         printk("%d reserved pages\n", reserved);
  34         printk("%d pages shared\n", shared);
  35         printk("%d pages swap cached\n", cached);
  36 #endif
  37 }