pgtable.c 875 B

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  1. #include <linux/config.h>
  2. #include <linux/kernel.h>
  3. #include <linux/mm.h>
  4. #include <linux/swap.h>
  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. printk("Mem-info:\n");
  13. show_free_areas();
  14. printk("Free swap: %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10));
  15. pfn = max_mapnr;
  16. while (pfn-- > 0) {
  17. page = pfn_to_page(pfn);
  18. total++;
  19. if (PageHighMem(page))
  20. highmem++;
  21. if (PageReserved(page))
  22. reserved++;
  23. else if (PageSwapCache(page))
  24. cached++;
  25. else if (page_count(page))
  26. shared += page_count(page) - 1;
  27. }
  28. printk("%d pages of RAM\n", total);
  29. printk("%d pages of HIGHMEM\n",highmem);
  30. printk("%d reserved pages\n",reserved);
  31. printk("%d pages shared\n",shared);
  32. printk("%d pages swap cached\n",cached);
  33. #endif
  34. }