PGACTIVATE       1484 mm/memcontrol.c 	seq_buf_printf(&s, "pgactivate %lu\n", memcg_events(memcg, PGACTIVATE));
PGACTIVATE        288 mm/swap.c      		__count_vm_event(PGACTIVATE);
PGACTIVATE       1515 mm/vmscan.c    			count_memcg_page_event(page, PGACTIVATE);
PGACTIVATE       1531 mm/vmscan.c    	count_vm_events(PGACTIVATE, pgactivate);