put_pid
if (!put_pid(tmpfd, pid))
ret = put_pid(fd, pid) ? UU_LOCK_OK : UU_LOCK_WRITE_ERR;
static int put_pid(int fd, pid_t pid);
put_pid(info->pid);
put_pid(process_info->pid);
put_pid(pid);
put_pid(pid);
put_pid(rcu_access_pointer(file->pid));
put_pid(rcu_access_pointer(file->pid));
put_pid(old);
put_pid(ctx->pid);