#ifndef _PPC_PAGE_H
#define _PPC_PAGE_H
+#include <linux/config.h>
#include <asm/asm-compat.h>
/* PAGE_SHIFT determines the page size */
#define PAGE_MASK (~((1 << PAGE_SHIFT) - 1))
#ifdef __KERNEL__
+#include <linux/config.h>
/* This must match what is in arch/ppc/Makefile */
#define PAGE_OFFSET CONFIG_KERNEL_START
#define KERNELBASE PAGE_OFFSET
-#define is_kernel_addr(x) ((x) >= PAGE_OFFSET)
#ifndef __ASSEMBLY__
#define __pa(x) ___pa((unsigned long)(x))
#define __va(x) ((void *)(___va((unsigned long)(x))))
-#define ARCH_PFN_OFFSET (PPC_PGSTART)
+#define pfn_to_page(pfn) (mem_map + ((pfn) - PPC_PGSTART))
+#define page_to_pfn(page) ((unsigned long)((page) - mem_map) + PPC_PGSTART)
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
#define page_to_virt(page) __va(page_to_pfn(page) << PAGE_SHIFT)
#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-/* We do define AT_SYSINFO_EHDR but don't use the gate mechanism */
+/* We do define AT_SYSINFO_EHDR but don't use the gate mecanism */
#define __HAVE_ARCH_GATE_AREA 1
-#define devmem_is_allowed(x) 1
-
-#include <asm-generic/memory_model.h>
#endif /* __KERNEL__ */
#endif /* _PPC_PAGE_H */