Date: Mon, 10 Jul 2000 11:17:57 -0400 (EDT) From: Garrett Wollman <wollman@khavrinen.lcs.mit.edu> To: Alfred Perlstein <bright@wintelcom.net> Cc: net@freebsd.org Subject: argh! Re: weird things with M_EXT and large packets Message-ID: <200007101517.LAA53686@khavrinen.lcs.mit.edu> In-Reply-To: <20000709205124.A25571@fw.wintelcom.net> References: <20000709140441.T25571@fw.wintelcom.net> <20000709205124.A25571@fw.wintelcom.net>
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<<On Sun, 9 Jul 2000 20:51:24 -0700, Alfred Perlstein <bright@wintelcom.net> said: > Is there a specific reason the network drivers (or at least fxp) > don't seem to check page boundries so that discontig kmem can be > passed to the drivers in large chunks? Yes -- because it ``can't happen'', and in the normal case it would never happen so there's no point in wasting cycles to check for it. -GAWollman -- Garrett A. Wollman | O Siem / We are all family / O Siem / We're all the same wollman@lcs.mit.edu | O Siem / The fires of freedom Opinions not those of| Dance in the burning flame MIT, LCS, CRS, or NSA| - Susan Aglukark and Chad Irschick To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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