linux-stable/include/asm-m68knommu/pgtable.h
Greg Ungerer 10146801e8 m68knommu: remove is_in_rom() function
Remove is_in_rom() function.  It doesn't actually serve the purpose it was
intended to.  If you look at the use of it _access_ok() (which is the only use
of it) then it is obvious that most of memory is marked as access_ok.  No
point having is_in_rom() then, so remove it.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-19 10:04:51 -07:00

68 lines
1.6 KiB
C

#ifndef _M68KNOMMU_PGTABLE_H
#define _M68KNOMMU_PGTABLE_H
#include <asm-generic/4level-fixup.h>
/*
* (C) Copyright 2000-2002, Greg Ungerer <gerg@snapgear.com>
*/
#include <linux/slab.h>
#include <asm/processor.h>
#include <asm/page.h>
#include <asm/io.h>
/*
* Trivial page table functions.
*/
#define pgd_present(pgd) (1)
#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)
#define PAGE_SHARED __pgprot(0)
#define PAGE_COPY __pgprot(0)
#define PAGE_READONLY __pgprot(0)
#define PAGE_KERNEL __pgprot(0)
extern void paging_init(void);
#define swapper_pg_dir ((pgd_t *) 0)
#define __swp_type(x) (0)
#define __swp_offset(x) (0)
#define __swp_entry(typ,off) ((swp_entry_t) { ((typ) | ((off) << 7)) })
#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
#define __swp_entry_to_pte(x) ((pte_t) { (x).val })
static inline int pte_file(pte_t pte) { return 0; }
/*
* ZERO_PAGE is a global shared page that is always zero: used
* for zero-mapped memory areas etc..
*/
#define ZERO_PAGE(vaddr) (virt_to_page(0))
/*
* These would be in other places but having them here reduces the diffs.
*/
extern unsigned int kobjsize(const void *objp);
/*
* No page table caches to initialise.
*/
#define pgtable_cache_init() do { } while (0)
#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \
remap_pfn_range(vma, vaddr, pfn, size, prot)
/*
* All 32bit addresses are effectively valid for vmalloc...
* Sort of meaningless for non-VM targets.
*/
#define VMALLOC_START 0
#define VMALLOC_END 0xffffffff
#endif /* _M68KNOMMU_PGTABLE_H */