You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
39 lines
896 B
39 lines
896 B
20 years ago
|
#ifndef _4LEVEL_FIXUP_H
|
||
|
|
#define _4LEVEL_FIXUP_H
|
||
|
|
|
||
|
|
#define __ARCH_HAS_4LEVEL_HACK
|
||
|
|
#define __PAGETABLE_PUD_FOLDED
|
||
|
|
|
||
|
|
#define PUD_SIZE PGDIR_SIZE
|
||
|
|
#define PUD_MASK PGDIR_MASK
|
||
|
|
#define PTRS_PER_PUD 1
|
||
|
|
|
||
|
|
#define pud_t pgd_t
|
||
|
|
|
||
|
|
#define pmd_alloc(mm, pud, address) \
|
||
|
|
({ pmd_t *ret; \
|
||
|
|
if (pgd_none(*pud)) \
|
||
|
|
ret = __pmd_alloc(mm, pud, address); \
|
||
|
|
else \
|
||
|
|
ret = pmd_offset(pud, address); \
|
||
|
|
ret; \
|
||
|
|
})
|
||
|
|
|
||
|
|
#define pud_alloc(mm, pgd, address) (pgd)
|
||
|
|
#define pud_offset(pgd, start) (pgd)
|
||
|
|
#define pud_none(pud) 0
|
||
|
|
#define pud_bad(pud) 0
|
||
|
|
#define pud_present(pud) 1
|
||
|
|
#define pud_ERROR(pud) do { } while (0)
|
||
|
|
#define pud_clear(pud) pgd_clear(pud)
|
||
|
|
|
||
|
|
#undef pud_free_tlb
|
||
|
|
#define pud_free_tlb(tlb, x) do { } while (0)
|
||
|
|
#define pud_free(x) do { } while (0)
|
||
|
|
#define __pud_free_tlb(tlb, x) do { } while (0)
|
||
|
|
|
||
|
|
#undef pud_addr_end
|
||
|
|
#define pud_addr_end(addr, end) (end)
|
||
|
|
|
||
|
|
#endif
|