Date: Thu, 02 Oct 2008 13:46:21 +0100 From: "Bruce M. Simpson" <bms@FreeBSD.org> To: Yony Yossef <yonyossef.lists@gmail.com> Cc: freebsd-net@freebsd.org, freebsd-questions@freebsd.org Subject: Re: Freeing an mbuf cluster Message-ID: <48E4C29D.1020200@FreeBSD.org> In-Reply-To: <20def4870810020216x31f9c0d8yd4776622928c412e@mail.gmail.com> References: <20def4870810020216x31f9c0d8yd4776622928c412e@mail.gmail.com>
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Yony Yossef wrote: > Hi All, > > I'm trying to manually build an mbuf chain with clusters in various sizes. > I'm doing it using the MGETHDR and MEXTADD macros, it works fine. > Now I'm looking for the simplest way to free an mbuf cluster, since I want > to free the clusters seperately. This function will be given as a parameter > to MEXTADD. > > Is there a simple command like 'free(buf)' to free an mbuf cluster? > You don't specify if you are trying to add the external storage from a pool you manage, in which case, you're on your own. m_free() for a cluster or mbuf should just "do the right thing". Since the UMA cleanup there are destructor functions which should free the mbuf or cluster using the right pool. m_freem() works on chains, of course. cheers BMS
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