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Date:      Tue, 20 Aug 2002 15:50:45 -0400 (EDT)
From:      Andrew Gallatin <gallatin@cs.duke.edu>
To:        Bosko Milekic <bmilekic@unixdaemons.com>
Cc:        Luigi Rizzo <rizzo@icir.org>, freebsd-net@FreeBSD.ORG
Subject:   Re: m_getcl and end-to-end performance
Message-ID:  <15714.40341.115512.786712@grasshopper.cs.duke.edu>
In-Reply-To: <20020820154416.A27782@unixdaemons.com>
References:  <15714.27671.533860.408996@grasshopper.cs.duke.edu> <20020820093939.B48541@iguana.icir.org> <15714.39494.661931.882244@grasshopper.cs.duke.edu> <20020820154416.A27782@unixdaemons.com>

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Bosko Milekic writes:
 > 
 > On Tue, Aug 20, 2002 at 03:36:38PM -0400, Andrew Gallatin wrote:
 > > 
 > > Luigi Rizzo writes:
 > >  > 
 > >  > now if you have patches i'll be happy to have a look at them.
 > > 
 > > Here's what I'm running with now.  It removes the M_PKTHDR
 > > requirement, allowing me to use multiple m_getcl()'s to stock jumbo
 > > frames. 
 > 
 >   I forgot about something in Luigi's original patch:
 > 
 >   Does this stuff make sure to only stock the pool with mbufs+clusters
 >   and not mbufs+any_other_external_buffer?  This requirement seems to be

Yes, it checks that M_EXT_WRITABLE(m) is true before adding it to the pool.

Drew

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