VM_COMPLETIONS_PERIOD_LEN  570 mm/page-writeback.c 	cur_time += VM_COMPLETIONS_PERIOD_LEN;
VM_COMPLETIONS_PERIOD_LEN  632 mm/page-writeback.c 						 VM_COMPLETIONS_PERIOD_LEN;
VM_COMPLETIONS_PERIOD_LEN  636 mm/page-writeback.c 				miss_periods * VM_COMPLETIONS_PERIOD_LEN);