From: David Rientjes <rientjes@google.com>
To: Sven Wegener <sven.wegener@stealer.net>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ipvs: Make the synchronization interval controllable
Date: Wed, 6 Feb 2008 22:54:19 -0800 (PST) [thread overview]
Message-ID: <alpine.DEB.1.00.0802062253290.31533@chino.kir.corp.google.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0802062329150.15729@titan.stealer.net>
On Thu, 7 Feb 2008, Sven Wegener wrote:
> Negative values will be converted to MAX_JIFFY_OFFSET by msecs_to_jiffies and
> result in a very long interval. A too long interval will be a good way to get
> your system OOM. We could use an unsigned int or even restrict the value with
> proc_dointvec_minmax. I'd prefer the latter, that's what I already had in my
> mind and it also protects from unintentionally choosing a too long interval.
>
Yeah, you're definitely going to want an upper bound on acceptable values
and not allow anything negative for the aforementioned reason.
David
next prev parent reply other threads:[~2008-02-07 6:54 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-06 21:39 Sven Wegener
2008-02-06 22:09 ` David Rientjes
2008-02-06 23:12 ` Sven Wegener
2008-02-06 23:57 ` Sven Wegener
2008-02-07 4:28 ` Simon Horman
2008-02-07 6:54 ` David Rientjes [this message]
2008-02-08 14:23 ` Andi Kleen
2008-02-08 15:57 ` Krzysztof Oledzki
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