apdakey 247 arch/arm64/include/uapi/asm/ptrace.h __uint128_t apdakey; apdakey 1006 arch/arm64/kernel/ptrace.c ukeys->apdakey = pac_key_to_user(&keys->apda); apdakey 1015 arch/arm64/kernel/ptrace.c keys->apda = pac_key_from_user(ukeys->apdakey);