PERFORCE change 127416 for review

[Kip Macy]

http://perforce.freebsd.org/chv.cgi?CH=127416

Change 127416 by kmacy at kmacy_home:ethng on 2007/10/12 08:20:28

	only check for empty tags list on packet header
	define page size iovec

Affected files ...

.. //depot/projects/ethng/src/sys/sys/mbuf.h#10 edit

Differences ...

==== //depot/projects/ethng/src/sys/sys/mbuf.h#10 (text+ko) ====

@@ -252,6 +252,7 @@
 #define	EXT_MBUF	7	/* external mbuf reference (M_IOVEC) */
 #define EXT_IOVEC       8
 #define EXT_CLIOVEC     9
+#define EXT_JMPIOVEC    10
 #define	EXT_NET_DRV	100	/* custom ext_buf provided by net driver(s) */
 #define	EXT_MOD_TYPE	200	/* custom module's ext_buf type */
 #define	EXT_DISPOSABLE	300	/* can throw this buffer away w/page flipping */
@@ -541,8 +542,10 @@
 static __inline void
 m_free_fast(struct mbuf *m)
 {
-	KASSERT(SLIST_EMPTY(&m->m_pkthdr.tags), ("doing fast free of mbuf with tags"));
-
+#ifdef INVARIANTS
+	if (m->m_flags & M_PKTHDR)
+		KASSERT(SLIST_EMPTY(&m->m_pkthdr.tags), ("doing fast free of mbuf with tags"));
+#endif
 	uma_zfree_arg(zone_mbuf, m, (void *)MB_NOTAGS);
 }