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#ifndef _ASM_POWERPC_PGTABLE_PPC64_64K_H
#define _ASM_POWERPC_PGTABLE_PPC64_64K_H
#include <asm-generic/pgtable-nopud.h>
#define PTE_INDEX_SIZE 8
#define PMD_INDEX_SIZE 10
#define PUD_INDEX_SIZE 0
#define PGD_INDEX_SIZE 12
#ifndef __ASSEMBLY__
#define PTE_TABLE_SIZE (sizeof(real_pte_t) << PTE_INDEX_SIZE)
#define PMD_TABLE_SIZE (sizeof(pmd_t) << PMD_INDEX_SIZE)
#define PGD_TABLE_SIZE (sizeof(pgd_t) << PGD_INDEX_SIZE)
#endif /* __ASSEMBLY__ */
#define PTRS_PER_PTE (1 << PTE_INDEX_SIZE)
#define PTRS_PER_PMD (1 << PMD_INDEX_SIZE)
#define PTRS_PER_PGD (1 << PGD_INDEX_SIZE)
/* With 4k base page size, hugepage PTEs go at the PMD level */
#define MIN_HUGEPTE_SHIFT PAGE_SHIFT
/* PMD_SHIFT determines what a second-level page table entry can map */
#define PMD_SHIFT (PAGE_SHIFT + PTE_INDEX_SIZE)
#define PMD_SIZE (1UL << PMD_SHIFT)
#define PMD_MASK (~(PMD_SIZE-1))
/* PGDIR_SHIFT determines what a third-level page table entry can map */
#define PGDIR_SHIFT (PMD_SHIFT + PMD_INDEX_SIZE)
#define PGDIR_SIZE (1UL << PGDIR_SHIFT)
#define PGDIR_MASK (~(PGDIR_SIZE-1))
/* Bits to mask out from a PMD to get to the PTE page */
/* PMDs point to PTE table fragments which are 4K aligned. */
#define PMD_MASKED_BITS 0xfff
/* Bits to mask out from a PGD/PUD to get to the PMD page */
#define PUD_MASKED_BITS 0x1ff
#define pgd_pte(pgd) (pud_pte(((pud_t){ pgd })))
#define pte_pgd(pte) ((pgd_t)pte_pud(pte))
#endif /* _ASM_POWERPC_PGTABLE_PPC64_64K_H */