1 #ifndef __V850_PGTABLE_H__
2 #define __V850_PGTABLE_H__
4 #include <linux/config.h>
8 #define pgd_present(pgd) (1) /* pages are always present on NO_MM */
9 #define pgd_none(pgd) (0)
10 #define pgd_bad(pgd) (0)
11 #define pgd_clear(pgdp) ((void)0)
13 #define pmd_offset(a, b) ((void *)0)
15 #define kern_addr_valid(addr) (1)
18 #define __swp_type(x) (0)
19 #define __swp_offset(x) (0)
20 #define __swp_entry(typ,off) ((swp_entry_t) { ((typ) | ((off) << 7)) })
21 #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
22 #define __swp_entry_to_pte(x) ((pte_t) { (x).val })
25 /* These mean nothing to !CONFIG_MMU. */
26 #define PAGE_NONE __pgprot(0)
27 #define PAGE_SHARED __pgprot(0)
28 #define PAGE_COPY __pgprot(0)
29 #define PAGE_READONLY __pgprot(0)
30 #define PAGE_KERNEL __pgprot(0)
34 * ZERO_PAGE is a global shared page that is always zero: used
35 * for zero-mapped memory areas etc. When CONFIG_MMU is not defined, this
36 * should never actually be used, so just define it to something that's
37 * will hopefully cause a bus error if it is.
39 #define ZERO_PAGE(vaddr) ((void *)0x87654321)
42 /* Some bogus code in procfs uses these; whatever. */
43 #define VMALLOC_START 0
44 #define VMALLOC_END (~0)
47 extern void paging_init (void);
48 #define swapper_pg_dir ((pgd_t *) 0)
50 #define pgtable_cache_init() ((void)0)
53 extern unsigned int kobjsize(const void *objp);
56 #endif /* __V850_PGTABLE_H__ */