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 pfn = max_mapnr; 16 while (pfn-- > 0) { 17 if (!pfn_valid(pfn)) 18 continue; 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