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4.4.0-1128-aws
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powerpc
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include
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asm
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Filename :
pgtable-ppc64-64k.h
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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 */