861 	volatile u_int *refcnt;  in mb_unmapped_compress()  local
874 		refcnt = &m->m_ext.ext_count;  in mb_unmapped_compress()
878 		refcnt = m->m_ext.ext_cnt;  in mb_unmapped_compress()
881 	if (*refcnt != 1)  in mb_unmapped_compress()
946 	volatile u_int *refcnt;  in _mb_unmapped_to_ext()  local
962 		refcnt = &m->m_ext.ext_count;  in _mb_unmapped_to_ext()
967 		refcnt = m->m_ext.ext_cnt;  in _mb_unmapped_to_ext()
968 		mref = __containerof(refcnt, struct mbuf, m_ext.ext_count);  in _mb_unmapped_to_ext()
1051 		if (*refcnt == 1)  in _mb_unmapped_to_ext()
1052 			*refcnt += ref_inc;  in _mb_unmapped_to_ext()
1054 			atomic_add_int(refcnt, ref_inc);  in _mb_unmapped_to_ext()
1068 		if (*refcnt == 1)  in _mb_unmapped_to_ext()
1069 			*refcnt += ref_inc;  in _mb_unmapped_to_ext()
1071 			atomic_add_int(refcnt, ref_inc);  in _mb_unmapped_to_ext()
1169 	volatile u_int *refcnt;  in mb_free_ext()  local
1177 		refcnt = &m->m_ext.ext_count;  in mb_free_ext()
1182 		refcnt = m->m_ext.ext_cnt;  in mb_free_ext()
1183 		mref = __containerof(refcnt, struct mbuf, m_ext.ext_count);  in mb_free_ext()
1203 	if (*refcnt == 1 || atomic_fetchadd_int(refcnt, -1) == 1) {  in mb_free_ext()
1207 			if (*refcnt == 0)  in mb_free_ext()
1208 				*refcnt = 1;  in mb_free_ext()
1263 	volatile u_int *refcnt;  in mb_free_extpg()  local
1270 		refcnt = &m->m_ext.ext_count;  in mb_free_extpg()
1275 		refcnt = m->m_ext.ext_cnt;  in mb_free_extpg()
1276 		mref = __containerof(refcnt, struct mbuf, m_ext.ext_count);  in mb_free_extpg()
1280 	if (*refcnt == 1 || atomic_fetchadd_int(refcnt, -1) == 1) {  in mb_free_extpg()