drivers/md/dm-stats.c

33 	unsigned long long *histogram;
181 		dm_kvfree(s->stat_percpu[cpu][0].histogram, s->histogram_alloc_size);
184 	dm_kvfree(s->stat_shared[0].tmp.histogram, s->histogram_alloc_size);
360 			s->stat_shared[ni].tmp.histogram = hi;
382 				p[ni].histogram = hi;
474 		    is_vmalloc_addr(s->stat_percpu[cpu][0].histogram))
477 	    is_vmalloc_addr(s->stat_shared[0].tmp.histogram)) {
515 				DMEMIT(" histogram:");
623 			p->histogram[lo]++;
745 		memset(shared->tmp.histogram, 0, (s->n_histogram_entries + 1) * sizeof(unsigned long long));
765 				shared->tmp.histogram[i] += READ_ONCE(p->histogram[i]);
802 				p->histogram[i] -= shared->tmp.histogram[i];
916 				DMEMIT("%s%llu", !i ? " " : ":", shared->tmp.histogram[i]);
1066 			else if (!strncasecmp(a, "histogram:", 10)) {