H_PTE_PKEY_BIT4    64 arch/powerpc/include/asm/book3s/64/hash-4k.h #define H_PTE_PKEY_BIT4	_RPAGE_RSV5
H_PTE_PKEY_BIT4    43 arch/powerpc/include/asm/book3s/64/hash-64k.h #define H_PTE_PKEY_BIT4	_RPAGE_RSV5