netdev - Re: [PATCH] netns: fix net_alloc

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Message-ID: <1327648054.2919.28.camel@edumazet-laptop>
Date:	Fri, 27 Jan 2012 08:07:34 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	Pavel Emelyanov <xemul@...allels.com>,
	Sjur Brændeland 
	<sjur.brandeland@...ricsson.com>,
	"levinsasha928@...il.com" <levinsasha928@...il.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"davem@...emloft.net" <davem@...emloft.net>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"davej@...hat.com" <davej@...hat.com>,
	"sjurbren@...il.com" <sjurbren@...il.com>
Subject: Re: [PATCH] netns: fix net_alloc_generic()

Le jeudi 26 janvier 2012 à 22:54 -0800, Eric W. Biederman a écrit :

> Now the common plumbing in net/core/net_namespace.c does count as
> complex.  The fact we missed such an obvious optimization opportunity
> for so long seems to confirm that.

This was probably masked by the 13 pointers initial value.

I find hard to believe some real setups need more than that !



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