#ifndef _S390_PAGE_H
#define _S390_PAGE_H
+#include <asm/setup.h>
#include <asm/types.h>
/* PAGE_SHIFT determines the page size */
#define PAGE_DEFAULT_KEY (PAGE_DEFAULT_ACC << 4)
#ifdef __KERNEL__
-#include <asm/setup.h>
#ifndef __ASSEMBLY__
#ifndef __s390x__
#define PAGE_OFFSET 0x0UL
#define __pa(x) (unsigned long)(x)
#define __va(x) (void *)(unsigned long)(x)
+#define pfn_to_page(pfn) (mem_map + (pfn))
+#define page_to_pfn(page) ((unsigned long)((page) - mem_map))
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
#define pfn_valid(pfn) ((pfn) < max_mapnr)
#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-#include <asm-generic/memory_model.h>
-#include <asm-generic/page.h>
-
-#define devmem_is_allowed(x) 1
-
#endif /* __KERNEL__ */
+#include <asm-generic/page.h>
+
#endif /* _S390_PAGE_H */