ksmd_should_run  2417 mm/ksm.c       		if (ksmd_should_run())
ksmd_should_run  2423 mm/ksm.c       		if (ksmd_should_run()) {
ksmd_should_run  2430 mm/ksm.c       				ksmd_should_run() || kthread_should_stop());