From mboxrd@z Thu Jan 1 00:00:00 1970 From: "David S. Miller" Subject: Re: [RFC][PATCH] net drivers and cache alignment Date: Sat, 07 Dec 2002 15:30:45 -0800 (PST) Sender: netdev-bounce@oss.sgi.com Message-ID: <20021207.153045.26640406.davem@redhat.com> References: <20021207.144004.45605764.davem@redhat.com> <3DF27EE7.4010508@pobox.com> <3DF2844C.F9216283@digeo.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: jgarzik@pobox.com, linux-kernel@vger.kernel.org, netdev@oss.sgi.com Return-path: To: akpm@digeo.com In-Reply-To: <3DF2844C.F9216283@digeo.com> Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org From: Andrew Morton Date: Sat, 07 Dec 2002 15:29:16 -0800 Jeff Garzik wrote: > Attached is cut #2. Thanks for all the near-instant feedback so far :) > Andrew, does the attached still need padding on SMP? It needs padding _only_ on SMP. ____cacheline_aligned_in_smp. non-smp machines lack L2 caches? That's new to me :-) More seriously, there are real benefits on non-SMP systems.