Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1#ifndef __V850_PGTABLE_H__
2#define __V850_PGTABLE_H__
3
4#include <asm-generic/4level-fixup.h>
5
6#include <linux/config.h>
7#include <asm/page.h>
8
9
10#define pgd_present(pgd) (1) /* pages are always present on NO_MM */
11#define pgd_none(pgd) (0)
12#define pgd_bad(pgd) (0)
13#define pgd_clear(pgdp) ((void)0)
14
15#define pmd_offset(a, b) ((void *)0)
16
17#define kern_addr_valid(addr) (1)
18
19
20#define __swp_type(x) (0)
21#define __swp_offset(x) (0)
22#define __swp_entry(typ,off) ((swp_entry_t) { ((typ) | ((off) << 7)) })
23#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
24#define __swp_entry_to_pte(x) ((pte_t) { (x).val })
25
26static inline int pte_file (pte_t pte) { return 0; }
27
28
29/* These mean nothing to !CONFIG_MMU. */
30#define PAGE_NONE __pgprot(0)
31#define PAGE_SHARED __pgprot(0)
32#define PAGE_COPY __pgprot(0)
33#define PAGE_READONLY __pgprot(0)
34#define PAGE_KERNEL __pgprot(0)
35
36
37/*
38 * ZERO_PAGE is a global shared page that is always zero: used
39 * for zero-mapped memory areas etc. When CONFIG_MMU is not defined, this
40 * should never actually be used, so just define it to something that's
41 * will hopefully cause a bus error if it is.
42 */
43#define ZERO_PAGE(vaddr) ((void *)0x87654321)
44
45
46/* Some bogus code in procfs uses these; whatever. */
47#define VMALLOC_START 0
48#define VMALLOC_END (~0)
49
50
51extern void paging_init (void);
52#define swapper_pg_dir ((pgd_t *) 0)
53
54#define pgtable_cache_init() ((void)0)
55
56
57extern unsigned int kobjsize(const void *objp);
58
59
60#endif /* __V850_PGTABLE_H__ */