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Date: Thu, 26 Aug 2010 13:57:07 +0200 From: Eric Dumazet <eric.dumazet@...il.com> To: Marc Aurele La France <tsi@...berta.ca> Cc: Stephen Hemminger <shemminger@...tta.com>, Ben Hutchings <bhutchings@...arflare.com>, linux-kernel@...r.kernel.org, netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>, Alexey Kuznetsov <kuznet@....inr.ac.ru>, "Pekka Savola (ipv6)" <pekkas@...core.fi>, James Morris <jmorris@...ei.org>, Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>, Patrick McHardy <kaber@...sh.net> Subject: Re: RFC: MTU for serving NFS on Infiniband Le jeudi 26 août 2010 à 05:40 -0600, Marc Aurele La France a écrit : > Steady now. There's no need to YELL nor be arrogant. You and I both know > there's a place for NFS over UDP. That's not changing any time soon. While > I'm aware of the issue you brought up, it is separate from the one at hand in > this discussion. > > I do want to thank you, however, for reminding me of TCP. It's something > 20/20 hindsight says I should have checked out before starting this thread. > Logistically, it'll be a few days before I can do so though. If that allows > me to increase the MTU all the way up to 65520, then this UDP thing will > likely remain unresolved. > Unfortunately, your infiniband device lacks NETIF_F_SG support. MTU a bit larger than PAGE_SIZE-overhead will need high order allocations ? -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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