From: David Miller <davem@davemloft.net>
To: ilpo.jarvinen@helsinki.fi
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH 07/10] tcp: Make shifting not clear the hints
Date: Mon, 24 Nov 2008 21:27:03 -0800 (PST) [thread overview]
Message-ID: <20081124.212703.153289559.davem@davemloft.net> (raw)
In-Reply-To: <1227536527-29713-8-git-send-email-ilpo.jarvinen@helsinki.fi>
From: "Ilpo Järvinen" <ilpo.jarvinen@helsinki.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@helsinki.fi>
Applied.
next prev parent reply other threads:[~2008-11-25 5:27 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-24 14:21 [PATCH 0/n]: 2 is better than 1 - tcp recombining; both with SACK and rexmits Ilpo Järvinen
2008-11-24 14:21 ` [PATCH 01/10] tcp: collapse more than two on retransmission Ilpo Järvinen
2008-11-24 14:21 ` [PATCH 02/10] tcp: move tcp_simple_retransmit to tcp_input Ilpo Järvinen
2008-11-24 14:22 ` [PATCH 03/10] tcp: more aggressive skipping Ilpo Järvinen
2008-11-24 14:22 ` [PATCH 04/10] tcp: Make SACK code to split only at mss boundaries Ilpo Järvinen
2008-11-24 14:22 ` [PATCH 05/10] tcp: make tcp_sacktag_one able to handle partial skb too Ilpo Järvinen
2008-11-24 14:22 ` [PATCH 06/10] tcp: Try to restore large SKBs while SACK processing Ilpo Järvinen
2008-11-24 14:22 ` [PATCH 07/10] tcp: Make shifting not clear the hints Ilpo Järvinen
2008-11-24 14:22 ` [PATCH 08/10] tcp: add some mibs to track collapsing Ilpo Järvinen
2008-11-24 14:22 ` [PATCH 09/10] tcp: more accurate fallback counters (DEBUGONLY) Ilpo Järvinen
2008-11-24 14:22 ` [PATCH 10/10] tcp: handle shift/merge of cloned skbs too Ilpo Järvinen
2008-11-25 5:32 ` David Miller
2008-11-25 5:27 ` [PATCH 09/10] tcp: more accurate fallback counters (DEBUGONLY) David Miller
2008-11-25 5:27 ` [PATCH 08/10] tcp: add some mibs to track collapsing David Miller
2008-11-25 5:27 ` David Miller [this message]
2008-11-25 5:20 ` [PATCH 06/10] tcp: Try to restore large SKBs while SACK processing David Miller
2008-11-25 5:15 ` [PATCH 05/10] tcp: make tcp_sacktag_one able to handle partial skb too David Miller
2008-11-25 13:44 ` Ilpo Järvinen
2008-11-25 5:13 ` [PATCH 04/10] tcp: Make SACK code to split only at mss boundaries David Miller
2008-11-25 5:12 ` [PATCH 03/10] tcp: more aggressive skipping David Miller
2008-11-24 14:50 ` [PATCH 02/10] tcp: move tcp_simple_retransmit to tcp_input Ilpo Järvinen
2008-11-24 16:36 ` Andi Kleen
2008-11-24 16:58 ` Ilpo Järvinen
2008-11-24 19:07 ` Andi Kleen
2008-11-25 5:10 ` David Miller
2008-11-25 14:02 ` Ilpo Järvinen
2008-11-25 21:45 ` David Miller
2008-11-25 5:05 ` [PATCH 01/10] tcp: collapse more than two on retransmission David Miller
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