| uipc_mbuf.c (151976) | uipc_mbuf.c (152035) |
|---|---|
| 1/*- 2 * Copyright (c) 1982, 1986, 1988, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 16 unchanged lines hidden (view full) --- 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)uipc_mbuf.c 8.2 (Berkeley) 1/4/94 30 */ 31 32#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 1982, 1986, 1988, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 16 unchanged lines hidden (view full) --- 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)uipc_mbuf.c 8.2 (Berkeley) 1/4/94 30 */ 31 32#include <sys/cdefs.h> |
| 33__FBSDID("$FreeBSD: head/sys/kern/uipc_mbuf.c 151976 2005-11-02 16:20:36Z andre $"); | 33__FBSDID("$FreeBSD: head/sys/kern/uipc_mbuf.c 152035 2005-11-04 17:20:53Z andre $"); |
| 34 35#include "opt_mac.h" 36#include "opt_param.h" 37#include "opt_mbuf_stress_test.h" 38 39#include <sys/param.h> 40#include <sys/systm.h> 41#include <sys/kernel.h> --- 168 unchanged lines hidden (view full) --- 210void 211mb_free_ext(struct mbuf *m) 212{ 213 KASSERT((m->m_flags & M_EXT) == M_EXT, ("%s: M_EXT not set", __func__)); 214 KASSERT(m->m_ext.ref_cnt != NULL, ("%s: ref_cnt not set", __func__)); 215 216 /* Free attached storage if this mbuf is the only reference to it. */ 217 if (*(m->m_ext.ref_cnt) == 1 || | 34 35#include "opt_mac.h" 36#include "opt_param.h" 37#include "opt_mbuf_stress_test.h" 38 39#include <sys/param.h> 40#include <sys/systm.h> 41#include <sys/kernel.h> --- 168 unchanged lines hidden (view full) --- 210void 211mb_free_ext(struct mbuf *m) 212{ 213 KASSERT((m->m_flags & M_EXT) == M_EXT, ("%s: M_EXT not set", __func__)); 214 KASSERT(m->m_ext.ref_cnt != NULL, ("%s: ref_cnt not set", __func__)); 215 216 /* Free attached storage if this mbuf is the only reference to it. */ 217 if (*(m->m_ext.ref_cnt) == 1 || |
| 218 atomic_fetchadd_int(m->m_ext.ref_cnt, -1) == 1) { | 218 atomic_fetchadd_int(m->m_ext.ref_cnt, -1) == 0) { |
| 219 switch (m->m_ext.ext_type) { | 219 switch (m->m_ext.ext_type) { |
| 220 case EXT_CLUSTER: | 220 case EXT_CLUSTER: /* The packet zone is special. */ 221 if (*(m->m_ext.ref_cnt) == 0) 222 *(m->m_ext.ref_cnt) = 1; |
| 221 uma_zfree(zone_pack, m); 222 return; /* Job done. */ 223 break; 224 case EXT_JUMBO9: 225 uma_zfree(zone_jumbo9, m->m_ext.ext_buf); 226 break; 227 case EXT_JUMBO16: 228 uma_zfree(zone_jumbo16, m->m_ext.ext_buf); --- 1444 unchanged lines hidden --- | 223 uma_zfree(zone_pack, m); 224 return; /* Job done. */ 225 break; 226 case EXT_JUMBO9: 227 uma_zfree(zone_jumbo9, m->m_ext.ext_buf); 228 break; 229 case EXT_JUMBO16: 230 uma_zfree(zone_jumbo16, m->m_ext.ext_buf); --- 1444 unchanged lines hidden --- |