30 			      struct bundle_data *bd,  in setup_bundle_data()  argument
33 	bd->sidx = offset / bundle_bitness(bitarray);  in setup_bundle_data()
34 	bd->soff = offset % bundle_bitness(bitarray);  in setup_bundle_data()
36 	bd->eidx = (offset + num_bits - 1) / bundle_bitness(bitarray);  in setup_bundle_data()
37 	bd->eoff = (offset + num_bits - 1) % bundle_bitness(bitarray);  in setup_bundle_data()
39 	bd->smask = ~(BIT(bd->soff) - 1);  in setup_bundle_data()
40 	bd->emask = (BIT(bd->eoff) - 1) | BIT(bd->eoff);  in setup_bundle_data()
42 	if (bd->sidx == bd->eidx) {  in setup_bundle_data()
44 		bd->smask &= bd->emask;  in setup_bundle_data()
67 			 struct bundle_data *bd,  in match_region()  argument
76 	setup_bundle_data(bitarray, bd, offset, num_bits);  in match_region()
78 	if (bd->sidx == bd->eidx) {  in match_region()
79 		bundle = bitarray->bundles[bd->sidx];  in match_region()
84 		if ((bundle & bd->smask) != bd->smask) {  in match_region()
86 			mismatch_bundle = ~bundle & bd->smask;  in match_region()
87 			mismatch_bundle_idx = bd->sidx;  in match_region()
98 	bundle = bitarray->bundles[bd->sidx];  in match_region()
103 	if ((bundle & bd->smask) != bd->smask) {  in match_region()
105 		mismatch_bundle = ~bundle & bd->smask;  in match_region()
106 		mismatch_bundle_idx = bd->sidx;  in match_region()
111 	bundle = bitarray->bundles[bd->eidx];  in match_region()
116 	if ((bundle & bd->emask) != bd->emask) {  in match_region()
118 		mismatch_bundle = ~bundle & bd->emask;  in match_region()
119 		mismatch_bundle_idx = bd->eidx;  in match_region()
124 	for (idx = bd->sidx + 1; idx < bd->eidx; idx++) {  in match_region()
174 		       struct bundle_data *bd)  in set_region()  argument
179 	if (bd == NULL) {  in set_region()
180 		bd = &bdata;  in set_region()
181 		setup_bundle_data(bitarray, bd, offset, num_bits);  in set_region()
184 	if (bd->sidx == bd->eidx) {  in set_region()
187 			bitarray->bundles[bd->sidx] |= bd->smask;  in set_region()
189 			bitarray->bundles[bd->sidx] &= ~bd->smask;  in set_region()
198 			bitarray->bundles[bd->sidx] |= bd->smask;  in set_region()
199 			bitarray->bundles[bd->eidx] |= bd->emask;  in set_region()
200 			for (idx = bd->sidx + 1; idx < bd->eidx; idx++) {  in set_region()
204 			bitarray->bundles[bd->sidx] &= ~bd->smask;  in set_region()
205 			bitarray->bundles[bd->eidx] &= ~bd->emask;  in set_region()
206 			for (idx = bd->sidx + 1; idx < bd->eidx; idx++) {  in set_region()
218 	struct bundle_data bd;  in sys_bitarray_popcount_region()  local
236 	setup_bundle_data(bitarray, &bd, offset, num_bits);  in sys_bitarray_popcount_region()
238 	if (bd.sidx == bd.eidx) {  in sys_bitarray_popcount_region()
240 		*count = POPCOUNT(bitarray->bundles[bd.sidx] & bd.smask);  in sys_bitarray_popcount_region()
248 		*count += POPCOUNT(bitarray->bundles[bd.sidx] & bd.smask);  in sys_bitarray_popcount_region()
249 		*count += POPCOUNT(bitarray->bundles[bd.eidx] & bd.emask);  in sys_bitarray_popcount_region()
250 		for (idx = bd.sidx + 1; idx < bd.eidx; idx++) {  in sys_bitarray_popcount_region()
267 	struct bundle_data bd;  in sys_bitarray_xor()  local
288 	setup_bundle_data(other, &bd, offset, num_bits);  in sys_bitarray_xor()
290 	if (bd.sidx == bd.eidx) {  in sys_bitarray_xor()
292 		dst->bundles[bd.sidx] =  in sys_bitarray_xor()
293 			((other->bundles[bd.sidx] ^ dst->bundles[bd.sidx]) & bd.smask) |  in sys_bitarray_xor()
294 			(dst->bundles[bd.sidx] & ~bd.smask);  in sys_bitarray_xor()
301 		dst->bundles[bd.sidx] =  in sys_bitarray_xor()
302 			((other->bundles[bd.sidx] ^ dst->bundles[bd.sidx]) & bd.smask) |  in sys_bitarray_xor()
303 			(dst->bundles[bd.sidx] & ~bd.smask);  in sys_bitarray_xor()
304 		dst->bundles[bd.eidx] =  in sys_bitarray_xor()
305 			((other->bundles[bd.eidx] ^ dst->bundles[bd.eidx]) & bd.emask) |  in sys_bitarray_xor()
306 			(dst->bundles[bd.eidx] & ~bd.emask);  in sys_bitarray_xor()
307 		for (idx = bd.sidx + 1; idx < bd.eidx; idx++) {  in sys_bitarray_xor()
497 	struct bundle_data bd;  in sys_bitarray_alloc()  local
544 				 &bd, &mismatch)) {  in sys_bitarray_alloc()
545 			set_region(bitarray, bit_idx, num_bits, true, &bd);  in sys_bitarray_alloc()
569 	struct bundle_data bd;  in sys_bitarray_find_nth_set()  local
584 	setup_bundle_data(bitarray, &bd, offset, num_bits);  in sys_bitarray_find_nth_set()
586 	count = POPCOUNT(bitarray->bundles[bd.sidx] & bd.smask);  in sys_bitarray_find_nth_set()
589 		idx = bd.sidx;  in sys_bitarray_find_nth_set()
590 		mask = bd.smask;  in sys_bitarray_find_nth_set()
594 	if (bd.sidx != bd.eidx) {  in sys_bitarray_find_nth_set()
600 		for (idx = bd.sidx + 1; idx < bd.eidx; idx++) {  in sys_bitarray_find_nth_set()
609 		count = POPCOUNT(bitarray->bundles[bd.eidx] & bd.emask);  in sys_bitarray_find_nth_set()
611 			idx = bd.eidx;  in sys_bitarray_find_nth_set()
612 			mask = bd.emask;  in sys_bitarray_find_nth_set()
644 	struct bundle_data bd;  in sys_bitarray_free()  local
663 	if (match_region(bitarray, offset, num_bits, true, &bd, NULL)) {  in sys_bitarray_free()
664 		set_region(bitarray, offset, num_bits, false, &bd);  in sys_bitarray_free()
679 	struct bundle_data bd;  in is_region_set_clear()  local
694 	ret = match_region(bitarray, offset, num_bits, to_set, &bd, NULL);  in is_region_set_clear()
744 	struct bundle_data bd;  in sys_bitarray_test_and_set_region()  local
761 	region_clear = match_region(bitarray, offset, num_bits, !to_set, &bd, NULL);  in sys_bitarray_test_and_set_region()
763 		set_region(bitarray, offset, num_bits, to_set, &bd);  in sys_bitarray_test_and_set_region()