linux-kernel - Re: sysctl_{tcp,udp,sctp}_mem overflow on 16TB system.

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Message-ID: <20101003164324.GC3711@1wt.eu>
Date:	Sun, 3 Oct 2010 18:43:24 +0200
From:	Willy Tarreau <w@....eu>
To:	Maciej ??enczykowski <zenczykowski@...il.com>
Cc:	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 ??enczykowski wrote:
> Isn't INT_MAX/2 just 1GB, which is only ~0.9 seconds at 10 Gbps?

no, the size is in pages (and is often wrong when people change it
from the default value).

Regards,
Willy
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