might_sleep_if
might_sleep_if(slow_timeout_ms);
might_sleep_if(loop && not_atomic);
might_sleep_if(gfpflags_allow_blocking(gfp));
might_sleep_if(gfpflags_allow_blocking(gfp));
might_sleep_if(gfpflags_allow_blocking(gfp));
might_sleep_if(slow_timeout_ms);
might_sleep_if(slow_timeout_ms);