#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 }