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Message-ID: <20101003115419.GQ14068@sgi.com>
Date:	Sun, 3 Oct 2010 06:54:19 -0500
From:	Robin Holt <holt@....com>
To:	Maciej Żenczykowski <zenczykowski@...il.com>
Cc:	Willy Tarreau <w@....eu>, Robin Holt <holt@....com>,
	"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>,
	Vlad Yasevich <vladislav.yasevich@...com>,
	Sridhar Samudrala <sri@...ibm.com>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	linux-decnet-user@...ts.sourceforge.net, linux-sctp@...r.kernel.org
Subject: Re: sysctl_{tcp,udp,sctp}_mem overflow on 16TB system.

On Sun, Oct 03, 2010 at 01:20:32AM -0700, Maciej Żenczykowski wrote:
> Isn't INT_MAX/2 just 1GB, which is only ~0.9 seconds at 10 Gbps?

Units matter.  1GB pages.  We can limit to 2GB pages or 8TB.

Robin
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