#ifdef CONFIG_X86_64
#include <asm/page_64.h>
-#define max_pfn_mapped end_pfn_map
#else
#include <asm/page_32.h>
-#define max_pfn_mapped end_pfn_map
#endif /* CONFIG_X86_64 */
#define PAGE_OFFSET ((unsigned long)__PAGE_OFFSET)
#ifndef __ASSEMBLY__
extern int page_is_ram(unsigned long pagenr);
+extern int devmem_is_allowed(unsigned long pagenr);
-extern unsigned long end_pfn_map;
+extern unsigned long max_pfn_mapped;
struct page;