linux-master/mm/vmstat.c

176 		struct per_cpu_zonestat *pzstats;
178 		pzstats = per_cpu_ptr(zone->per_cpu_zonestats, cpu);
180 			zone_numa_events[item] += xchg(&pzstats->vm_numa_event[item], 0);
818 		struct per_cpu_zonestat __percpu *pzstats = zone->per_cpu_zonestats;
824 			v = this_cpu_xchg(pzstats->vm_stat_diff[i], 0);
905 		struct per_cpu_zonestat *pzstats;
907 		pzstats = per_cpu_ptr(zone->per_cpu_zonestats, cpu);
910 			if (pzstats->vm_stat_diff[i]) {
913 				v = pzstats->vm_stat_diff[i];
914 				pzstats->vm_stat_diff[i] = 0;
921 			if (pzstats->vm_numa_event[i]) {
924 				v = pzstats->vm_numa_event[i];
925 				pzstats->vm_numa_event[i] = 0;
955 void drain_zonestat(struct zone *zone, struct per_cpu_zonestat *pzstats)
961 		if (pzstats->vm_stat_diff[i]) {
962 			v = pzstats->vm_stat_diff[i];
963 			pzstats->vm_stat_diff[i] = 0;
970 		if (pzstats->vm_numa_event[i]) {
971 			v = pzstats->vm_numa_event[i];
972 			pzstats->vm_numa_event[i] = 0;
1739 		struct per_cpu_zonestat __maybe_unused *pzstats;
1752 		pzstats = per_cpu_ptr(zone->per_cpu_zonestats, i);
1754 				pzstats->stat_threshold);
1970 		struct per_cpu_zonestat *pzstats = per_cpu_ptr(zone->per_cpu_zonestats, cpu);
1976 		if (memchr_inv(pzstats->vm_stat_diff, 0, sizeof(pzstats->vm_stat_diff)))