1028 	struct anon_map *amp1 = svd1->amp;  in segvn_concat()  local
1074 	if (amp_cat == 0 && (amp1 != NULL || amp2 != NULL)) {  in segvn_concat()
1079 		if (amp1 != amp2) {  in segvn_concat()
1082 		if (amp1 != NULL && svd1->anon_index + btop(seg1->s_size) !=  in segvn_concat()
1086 		ASSERT(amp1 == NULL || amp1->refcnt >= 2);  in segvn_concat()
1152 	if (amp1 != NULL && svd1->type == MAP_SHARED) {  in segvn_concat()
1153 		ASSERT(amp1 == amp2 && svd1->vp == NULL);  in segvn_concat()
1154 		ANON_LOCK_ENTER(&amp1->a_rwlock, RW_WRITER);  in segvn_concat()
1155 		ASSERT(amp1->refcnt >= 2);  in segvn_concat()
1156 		amp1->refcnt--;  in segvn_concat()
1157 		ANON_LOCK_EXIT(&amp1->a_rwlock);  in segvn_concat()
1159 	} else if (amp1 != NULL || amp2 != NULL) {  in segvn_concat()
1173 		if (amp1 != NULL) {  in segvn_concat()
1178 			ANON_LOCK_ENTER(&amp1->a_rwlock, RW_WRITER);  in segvn_concat()
1179 			ASSERT(amp1->refcnt == 1);  in segvn_concat()
1180 			if (anon_copy_ptr(amp1->ahp, svd1->anon_index,  in segvn_concat()
1183 				ANON_LOCK_EXIT(&amp1->a_rwlock);  in segvn_concat()
1198 				if (amp1 != NULL) {  in segvn_concat()
1199 					ANON_LOCK_EXIT(&amp1->a_rwlock);  in segvn_concat()
1207 		if (amp1 != NULL) {  in segvn_concat()
1208 			namp = amp1;  in segvn_concat()
1209 			anon_release(amp1->ahp, btop(amp1->size));  in segvn_concat()
1213 				ASSERT(amp1 == NULL);  in segvn_concat()
1272 	struct anon_map *amp1;  in segvn_extend_prev()  local
1302 	amp1 = svd1->amp;  in segvn_extend_prev()
1303 	if (amp1) {  in segvn_extend_prev()
1326 		ANON_LOCK_ENTER(&amp1->a_rwlock, RW_WRITER);  in segvn_extend_prev()
1327 		if (amp1->refcnt > 1) {  in segvn_extend_prev()
1328 			ANON_LOCK_EXIT(&amp1->a_rwlock);  in segvn_extend_prev()
1331 		newpgs = anon_grow(amp1->ahp, &svd1->anon_index,  in segvn_extend_prev()
1335 			ANON_LOCK_EXIT(&amp1->a_rwlock);  in segvn_extend_prev()
1338 		amp1->size = ptob(newpgs);  in segvn_extend_prev()
1339 		ANON_LOCK_EXIT(&amp1->a_rwlock);  in segvn_extend_prev()