ptrace_request 1134 arch/x86/kernel/ptrace.c ret = ptrace_request(child, request, addr, data); ptrace_request 92 include/linux/ptrace.h extern int ptrace_request(struct task_struct *child, long request, long addr, long data); ptrace_request 664 kernel/ptrace.c ret = ptrace_request(child, request, addr, data);