drivers/md/dm-stats.c

50 	unsigned int n_histogram_entries;
262 			   unsigned int n_histogram_entries,
302 	histogram_alloc_size = (n_histogram_entries + 1) * (size_t)n_entries * sizeof(unsigned long long);
303 	if (histogram_alloc_size / (n_histogram_entries + 1) != (size_t)n_entries * sizeof(unsigned long long))
306 	if ((n_histogram_entries + 1) * (size_t)n_entries > DM_STAT_MAX_HISTOGRAM_ENTRIES)
326 	s->n_histogram_entries = n_histogram_entries;
328 					  s->n_histogram_entries * sizeof(unsigned long long), GFP_KERNEL);
351 	if (s->n_histogram_entries) {
361 			hi += s->n_histogram_entries + 1;
373 		if (s->n_histogram_entries) {
383 				hi += s->n_histogram_entries + 1;
512 			if (s->n_histogram_entries) {
516 				for (i = 0; i < s->n_histogram_entries; i++) {
612 		if (s->n_histogram_entries) {
613 			unsigned int lo = 0, hi = s->n_histogram_entries + 1;
744 	if (s->n_histogram_entries)
745 		memset(shared->tmp.histogram, 0, (s->n_histogram_entries + 1) * sizeof(unsigned long long));
761 		if (s->n_histogram_entries) {
764 			for (i = 0; i < s->n_histogram_entries + 1; i++)
796 		if (s->n_histogram_entries) {
799 			for (i = 0; i < s->n_histogram_entries + 1; i++) {
912 		if (s->n_histogram_entries) {
915 			for (i = 0; i < s->n_histogram_entries + 1; i++)
962 static int parse_histogram(const char *h, unsigned int *n_histogram_entries,
969 	*n_histogram_entries = 1;
972 			(*n_histogram_entries)++;
974 	*histogram_boundaries = kmalloc_array(*n_histogram_entries,
1012 	unsigned int n_histogram_entries = 0;
1067 				if (n_histogram_entries)
1069 				r = parse_histogram(a + 10, &n_histogram_entries, &histogram_boundaries);
1106 			     n_histogram_entries, histogram_boundaries, program_id, aux_data,