compat_frame_tail 70 arch/arm64/kernel/perf_callchain.c static struct compat_frame_tail __user * compat_frame_tail 71 arch/arm64/kernel/perf_callchain.c compat_user_backtrace(struct compat_frame_tail __user *tail, compat_frame_tail 74 arch/arm64/kernel/perf_callchain.c struct compat_frame_tail buftail; compat_frame_tail 94 arch/arm64/kernel/perf_callchain.c if (tail + 1 >= (struct compat_frame_tail __user *) compat_frame_tail 98 arch/arm64/kernel/perf_callchain.c return (struct compat_frame_tail __user *)compat_ptr(buftail.fp) - 1; compat_frame_tail 124 arch/arm64/kernel/perf_callchain.c struct compat_frame_tail __user *tail; compat_frame_tail 126 arch/arm64/kernel/perf_callchain.c tail = (struct compat_frame_tail __user *)regs->compat_fp - 1;