linux-kernel - Re: [net-next PATCH v3 3/3] net: TCP thin dupack

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Message-ID: <alpine.DEB.2.00.1002121342150.18408@melkinpaasi.cs.helsinki.fi>
Date:	Fri, 12 Feb 2010 13:43:09 +0200 (EET)
From:	"Ilpo Järvinen" <ilpo.jarvinen@...sinki.fi>
To:	William Allen Simpson <william.allen.simpson@...il.com>
cc:	Andreas Petlund <apetlund@...ula.no>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Arnd Hannemann <hannemann@...s.rwth-aachen.de>,
	LKML <linux-kernel@...r.kernel.org>, shemminger@...tta.com,
	David Miller <davem@...emloft.net>, damian@....rwth-aachen.de
Subject: Re: [net-next PATCH v3 3/3] net: TCP thin dupack

On Fri, 12 Feb 2010, William Allen Simpson wrote:

> Andreas Petlund wrote:
> > diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
> > index 28e0296..c5a73ab 100644
> > --- a/net/ipv4/tcp_input.c
> > +++ b/net/ipv4/tcp_input.c
> > @@ -89,6 +89,8 @@ int sysctl_tcp_frto __read_mostly = 2;
> >  int sysctl_tcp_frto_response __read_mostly;
> >  int sysctl_tcp_nometrics_save __read_mostly;
> >  +int sysctl_tcp_force_thin_dupack __read_mostly;
> > +
> >  int sysctl_tcp_moderate_rcvbuf __read_mostly = 1;
> 
> Where is the sysctl initialized?

...That's offloaded to the compiler, like is done with some of the above 
ones too. There's nothing to worry in that.

-- 
 i.
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