old_iamr          234 arch/powerpc/mm/book3s64/pkeys.c 	u64 old_iamr = read_iamr() & ~((u64)(0x1ul) << pkeyshift(pkey));
old_iamr          236 arch/powerpc/mm/book3s64/pkeys.c 	write_iamr(old_iamr | new_iamr_bits);