From mboxrd@z Thu Jan 1 00:00:00 1970 From: "David S. Miller" Subject: Re: [patch 7/11] net: Use bigrefs for net_device.refcount Date: Tue, 13 Sep 2005 13:26:07 -0700 (PDT) Message-ID: <20050913.132607.113443001.davem@davemloft.net> References: <20050913155112.GB3570@localhost.localdomain> <20050913161012.GI3570@localhost.localdomain> <20050913092659.791bddec@localhost.localdomain> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: kiran@scalex86.org, akpm@osdl.org, linux-kernel@vger.kernel.org, dipankar@in.ibm.com, bharata@in.ibm.com, shai@scalex86.org, rusty@rustcorp.com.au, netdev@vger.kernel.org Return-path: To: shemminger@osdl.org In-Reply-To: <20050913092659.791bddec@localhost.localdomain> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Stephen Hemminger Date: Tue, 13 Sep 2005 09:26:59 -0700 > Since when is bringing a network device up/down performance critical? The issue is the dev_get()'s that occur all over the place to during packet transmit/receive, that's what they are trying to address. I'm still against all of these invasive NUMA changes to the networking though, they are simply too ugly and special cased to consider seriously.