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#ifndef __V850_PGTABLE_H__ #define __V850_PGTABLE_H__ #include <linux/config.h> #include <asm/page.h> typedef pte_t *pte_addr_t; #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) ((void)0) #define pmd_offset(a, b) ((void *)0) #define kern_addr_valid(addr) (1) #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 }) /* These mean nothing to !CONFIG_MMU. */ #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) /* * ZERO_PAGE is a global shared page that is always zero: used * for zero-mapped memory areas etc. When CONFIG_MMU is not defined, this * should never actually be used, so just define it to something that's * will hopefully cause a bus error if it is. */ #define ZERO_PAGE(vaddr) ((void *)0x87654321) /* Some bogus code in procfs uses these; whatever. */ #define VMALLOC_START 0 #define VMALLOC_END (~0) extern void paging_init (void); #define swapper_pg_dir ((pgd_t *) 0) #define pgtable_cache_init() ((void)0) extern unsigned int kobjsize(const void *objp); #endif /* __V850_PGTABLE_H__ */ |