Date: Mon, 24 Sep 2007 04:54:09 GMT From: Kip Macy <kmacy@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 126760 for review Message-ID: <200709240454.l8O4s9Sw090390@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=126760 Change 126760 by kmacy@kmacy_home:ethng on 2007/09/24 04:54:01 - we should never make it as far as the dtor if the memory is allocated from another zone, but a KASSERT that this isn't an embedded mbuf just in case - initialize ref_cnt packet zone ctor Affected files ... .. //depot/projects/ethng/src/sys/kern/kern_mbuf.c#7 edit Differences ... ==== //depot/projects/ethng/src/sys/kern/kern_mbuf.c#7 (text+ko) ==== @@ -355,6 +355,7 @@ if ((flags & MB_NOTAGS) == 0 && (m->m_flags & M_PKTHDR) != 0) m_tag_delete_chain(m, NULL); KASSERT((m->m_flags & M_EXT) == 0, ("%s: M_EXT set", __func__)); + KASSERT((m->m_flags & M_NOFREE) == 0, ("freeing embedded mbuf")); #ifdef INVARIANTS trash_dtor(mem, size, arg); #endif @@ -534,7 +535,8 @@ m->m_len = 0; m->m_flags = (flags | M_EXT); m->m_type = type; - + m->m_ext.ref_cnt = NULL; /* lazy refcnt */ + if (flags & M_PKTHDR) { m->m_pkthdr.rcvif = NULL; m->m_pkthdr.len = 0;
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