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 page = pfn_to_page(pfn); 19 total++; 20 if (PageHighMem(page)) 21 highmem++; 22 if (PageReserved(page)) 23 reserved++; 24 else if (PageSwapCache(page)) 25 cached++; 26 else if (page_count(page)) 27 shared += page_count(page) - 1; 28 } 29 printk("%d pages of RAM\n", total); 30 printk("%d pages of HIGHMEM\n",highmem); 31 printk("%d reserved pages\n",reserved); 32 printk("%d pages shared\n",shared); 33 printk("%d pages swap cached\n",cached); 34 #endif 35 } 36