netdev - Re: [PATCH 07/10] tcp: Make shifting not clear the hints

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Message-Id: <20081124.212703.153289559.davem@davemloft.net>
Date:	Mon, 24 Nov 2008 21:27:03 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	ilpo.jarvinen@...sinki.fi
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH 07/10] tcp: Make shifting not clear the hints

From: "Ilpo Järvinen" <ilpo.jarvinen@...sinki.fi>
Date: Mon, 24 Nov 2008 16:22:04 +0200

> The earlier version was just very basic one which is "playing
> safe" by always clearing the hints. However, clearing of a hint
> is extremely costly operation with large windows, so it must be
> avoided at all cost whenever possible, there is a way with
> shifting too achieve not-clearing.
> 
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>

Applied.
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