mirror of https://gitee.com/openkylin/linux.git
61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
#ifndef __V850_PGTABLE_H__
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#define __V850_PGTABLE_H__
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#include <asm-generic/4level-fixup.h>
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#include <linux/config.h>
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#include <asm/page.h>
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#define pgd_present(pgd) (1) /* pages are always present on NO_MM */
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#define pgd_none(pgd) (0)
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#define pgd_bad(pgd) (0)
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#define pgd_clear(pgdp) ((void)0)
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#define pmd_offset(a, b) ((void *)0)
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#define kern_addr_valid(addr) (1)
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#define __swp_type(x) (0)
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#define __swp_offset(x) (0)
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#define __swp_entry(typ,off) ((swp_entry_t) { ((typ) | ((off) << 7)) })
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#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
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#define __swp_entry_to_pte(x) ((pte_t) { (x).val })
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static inline int pte_file (pte_t pte) { return 0; }
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/* These mean nothing to !CONFIG_MMU. */
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#define PAGE_NONE __pgprot(0)
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#define PAGE_SHARED __pgprot(0)
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#define PAGE_COPY __pgprot(0)
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#define PAGE_READONLY __pgprot(0)
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#define PAGE_KERNEL __pgprot(0)
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/*
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* ZERO_PAGE is a global shared page that is always zero: used
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* for zero-mapped memory areas etc. When CONFIG_MMU is not defined, this
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* should never actually be used, so just define it to something that's
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* will hopefully cause a bus error if it is.
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*/
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#define ZERO_PAGE(vaddr) ((void *)0x87654321)
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/* Some bogus code in procfs uses these; whatever. */
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#define VMALLOC_START 0
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#define VMALLOC_END (~0)
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extern void paging_init (void);
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#define swapper_pg_dir ((pgd_t *) 0)
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#define pgtable_cache_init() ((void)0)
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extern unsigned int kobjsize(const void *objp);
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#endif /* __V850_PGTABLE_H__ */
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