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- /* pgtable.h: FR-V page table mangling
- *
- * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
- * Derived from:
- * include/asm-m68knommu/pgtable.h
- * include/asm-i386/pgtable.h
- */
- #ifndef _ASM_PGTABLE_H
- #define _ASM_PGTABLE_H
- #include <asm/mem-layout.h>
- #include <asm/setup.h>
- #include <asm/processor.h>
- #ifndef __ASSEMBLY__
- #include <linux/threads.h>
- #include <linux/slab.h>
- #include <linux/list.h>
- #include <linux/spinlock.h>
- #include <linux/sched.h>
- struct vm_area_struct;
- #endif
- #ifndef __ASSEMBLY__
- #if defined(CONFIG_HIGHPTE)
- typedef unsigned long pte_addr_t;
- #else
- typedef pte_t *pte_addr_t;
- #endif
- #endif
- /*****************************************************************************/
- /*
- * MMU-less operation case first
- */
- #ifndef CONFIG_MMU
- #define pgd_present(pgd) (1) /* pages are always present on NO_MM */
- #define pgd_none(pgd) (0)
- #define pgd_bad(pgd) (0)
- #define pgd_clear(pgdp)
- #define kern_addr_valid(addr) (1)
- #define pmd_offset(a, b) ((void *) 0)
- #define PAGE_NONE __pgprot(0) /* these mean nothing to NO_MM */
- #define PAGE_SHARED __pgprot(0) /* these mean nothing to NO_MM */
- #define PAGE_COPY __pgprot(0) /* these mean nothing to NO_MM */
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