/arch/arm64/include/asm/pgtable-hwdef.h: 芯片字段定义/arch/arm64/include/asm/pgtable.h: 宏函数set_pte, set_pud, make_pte/arch/arm64/include/asm/pgtable-prot.h/arch/arm/include/asm/pgtable-2level.h/* * Level 3 descriptor (PTE). */ #define PTE_VALID (_AT(pteval_t, 1) 0) #define PTE_TYPE_MASK (_AT(pteval_t, 3) 0) #define PTE_TYPE_PAGE (_AT(pteval_t, 3) 0) #define PTE_TABLE_BIT