mirror of
https://github.com/torvalds/linux.git
synced 2024-12-30 14:52:05 +00:00
60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
#ifndef __V850_PGTABLE_H__
|
|
#define __V850_PGTABLE_H__
|
|
|
|
#include <asm-generic/4level-fixup.h>
|
|
|
|
#include <asm/page.h>
|
|
|
|
|
|
#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 })
|
|
|
|
static inline int pte_file (pte_t pte) { return 0; }
|
|
|
|
|
|
/* 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__ */
|