esr_offset 57 arch/arm64/kernel/signal.c unsigned long esr_offset; esr_offset 578 arch/arm64/kernel/signal.c err = sigframe_alloc(user, &user->esr_offset, esr_offset 633 arch/arm64/kernel/signal.c if (err == 0 && user->esr_offset) { esr_offset 635 arch/arm64/kernel/signal.c apply_user_offset(user, user->esr_offset);