Date: Mon, 9 Nov 1998 10:32:48 -0500 (EST) From: "Larry S. Lile" <lile@stdio.com> To: David Greenman <dg@root.com> Cc: hackers@FreeBSD.ORG Subject: Re: mbuf question Message-ID: <Pine.BSF.3.96.981109103125.26563D-100000@heathers.stdio.com> In-Reply-To: <199811091501.HAA04321@root.com>
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On Mon, 9 Nov 1998, David Greenman wrote: > >Are mbufs allocated below the 16M area? > > > >If they are, is it likely to change? > > > >Why? Because I am trying to eliminate bcopy's and mallocs in my > >token-ring driver to gain a little more performance. > > They're allocated throughout the machine's physical address space. I was afraid of that, so I should just make new buffers and copy when I need DMA'able memory. Otherwise I can just use the mbuf's directly. Thanks! Larry Lile lile@stdio.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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