| To: | akpm@xxxxxxxxx |
|---|---|
| Subject: | Re: [RFC][PATCH] net drivers and cache alignment |
| From: | "David S. Miller" <davem@xxxxxxxxxx> |
| Date: | Sat, 07 Dec 2002 15:30:45 -0800 (PST) |
| Cc: | jgarzik@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxx |
| In-reply-to: | <3DF2844C.F9216283@digeo.com> |
| References: | <20021207.144004.45605764.davem@redhat.com> <3DF27EE7.4010508@pobox.com> <3DF2844C.F9216283@digeo.com> |
| Sender: | netdev-bounce@xxxxxxxxxxx |
From: Andrew Morton <akpm@xxxxxxxxx> 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. |
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