| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #include <linux/config.h> | 
|  | 2 | #include <linux/kernel.h> | 
|  | 3 | #include <linux/mm.h> | 
|  | 4 | #include <linux/swap.h> | 
|  | 5 |  | 
|  | 6 | void show_mem(void) | 
|  | 7 | { | 
| Yoichi Yuasa | b4819b5 | 2005-06-25 14:54:31 -0700 | [diff] [blame] | 8 | #ifndef CONFIG_NEED_MULTIPLE_NODES  /* XXX(hch): later.. */ | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 9 | int pfn, total = 0, reserved = 0; | 
|  | 10 | int shared = 0, cached = 0; | 
|  | 11 | int highmem = 0; | 
|  | 12 | struct page *page; | 
|  | 13 |  | 
|  | 14 | printk("Mem-info:\n"); | 
|  | 15 | show_free_areas(); | 
|  | 16 | printk("Free swap:       %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10)); | 
|  | 17 | pfn = max_mapnr; | 
|  | 18 | while (pfn-- > 0) { | 
|  | 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 | } |