4level-fixup.h

Go to the documentation of this file.

#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) \
    ((unlikely(pgd_none(*(pud))) && __pmd_alloc(mm, pud, address))? \
        NULL: pmd_offset(pud, address))

#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)
#define pud_val(pud)            pgd_val(pud)
#define pud_populate(mm, pud, pmd)  pgd_populate(mm, pud, pmd)
#define pud_page(pud)           pgd_page(pud)
#define pud_page_vaddr(pud)     pgd_page_vaddr(pud)

#undef pud_free_tlb
#define pud_free_tlb(tlb, x, addr)  do { } while (0)
#define pud_free(mm, x)         do { } while (0)
#define __pud_free_tlb(tlb, x, addr)    do { } while (0)

#undef  pud_addr_end
#define pud_addr_end(addr, end)     (end)

#endif