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 { 8 #ifndef CONFIG_NEED_MULTIPLE_NODES /* XXX(hch): later.. */ 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 } 37