CLONE_CHILD_CLEARTID 1861 kernel/fork.c  	p->clear_child_tid = (clone_flags & CLONE_CHILD_CLEARTID) ? args->child_tid : NULL;
CLONE_CHILD_CLEARTID   69 tools/perf/trace/beauty/clone.c 	if (!(flags & (CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)))