|  | #include <linux/config.h> | 
|  | #include <linux/kernel.h> | 
|  | #include <linux/mm.h> | 
|  | #include <linux/swap.h> | 
|  |  | 
|  | void show_mem(void) | 
|  | { | 
|  | #ifndef CONFIG_NEED_MULTIPLE_NODES  /* XXX(hch): later.. */ | 
|  | int pfn, total = 0, reserved = 0; | 
|  | int shared = 0, cached = 0; | 
|  | int highmem = 0; | 
|  | struct page *page; | 
|  |  | 
|  | printk("Mem-info:\n"); | 
|  | show_free_areas(); | 
|  | printk("Free swap:       %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10)); | 
|  | pfn = max_mapnr; | 
|  | while (pfn-- > 0) { | 
|  | page = pfn_to_page(pfn); | 
|  | total++; | 
|  | if (PageHighMem(page)) | 
|  | highmem++; | 
|  | if (PageReserved(page)) | 
|  | reserved++; | 
|  | else if (PageSwapCache(page)) | 
|  | cached++; | 
|  | else if (page_count(page)) | 
|  | shared += page_count(page) - 1; | 
|  | } | 
|  | printk("%d pages of RAM\n", total); | 
|  | printk("%d pages of HIGHMEM\n",highmem); | 
|  | printk("%d reserved pages\n",reserved); | 
|  | printk("%d pages shared\n",shared); | 
|  | printk("%d pages swap cached\n",cached); | 
|  | #endif | 
|  | } |