linux-kernel - Re: [net-next PATCH v5 3/3] net: reserve ports for applications using fixed port numbers

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Message-Id: <201002201527.37643.opurdila@ixiacom.com>
Date:	Sat, 20 Feb 2010 15:27:37 +0200
From:	Octavian Purdila <opurdila@...acom.com>
To:	Cong Wang <amwang@...hat.com>
Cc:	David Miller <davem@...emloft.net>,
	Linux Kernel Network Developers <netdev@...r.kernel.org>,
	Linux Kernel Developers <linux-kernel@...r.kernel.org>,
	Neil Horman <nhorman@...driver.com>,
	Eric Dumazet <eric.dumazet@...il.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: [net-next PATCH v5 3/3] net: reserve ports for applications using fixed port numbers

On Saturday 20 February 2010 10:20:53 you wrote:

> > +unsigned long *sysctl_local_reserved_ports;
> > +EXPORT_SYMBOL(sysctl_local_reserved_ports);
> > +
> 
> Sorry, this looks somewhat weird, why not just export
> inet_is_reserved_local_port()?
> 

My understanding is that if we do that than we won't be able to inline 
inet_is_reserved_local_port().  And as David said previously that will have a 
significant impact on performance.
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