| uipc_mbuf.c (145883) | uipc_mbuf.c (148552) |
|---|---|
| 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 145883 2005-05-04 18:55:03Z emax $"); | 33__FBSDID("$FreeBSD: head/sys/kern/uipc_mbuf.c 148552 2005-07-30 01:32:16Z sam $"); |
| 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> --- 1335 unchanged lines hidden (view full) --- 1377 return (m_final); 1378nospace: 1379 if (m_new) 1380 m_free(m_new); 1381 if (m_final) 1382 m_freem(m_final); 1383 return (NULL); 1384} | 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> --- 1335 unchanged lines hidden (view full) --- 1377 return (m_final); 1378nospace: 1379 if (m_new) 1380 m_free(m_new); 1381 if (m_final) 1382 m_freem(m_final); 1383 return (NULL); 1384} |
| 1385 1386/* 1387 * Set the m_data pointer of a newly-allocated mbuf 1388 * to place an object of the specified size at the 1389 * end of the mbuf, longword aligned. 1390 */ 1391void 1392m_align(struct mbuf *m, int len) 1393{ 1394 int adjust; 1395 1396 if (m->m_flags & M_EXT) 1397 adjust = m->m_ext.ext_size - len; 1398 else if (m->m_flags & M_PKTHDR) 1399 adjust = MHLEN - len; 1400 else 1401 adjust = MLEN - len; 1402 m->m_data += adjust &~ (sizeof(long)-1); 1403} |
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