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Date:	Wed, 15 May 2013 10:37:22 +0100
From:	"David Laight" <David.Laight@...LAB.COM>
To:	"Nicolas Ferre" <>,
	"David S. Miller" <>, <>
Cc:	<>,
	"Jean-Christophe PLAGNIOL-VILLARD" <>,
	<>, <>,
	<>, <>,
	"Havard Skinnemoen" <>
Subject: RE: [PATCH 3/3 v3] net/macb: Try to optimize struct macb layout

> From: Havard Skinnemoen <>

> Move the NAPI struct below that since it is used
> from the interrupt handler. This field is also marked as
> ___cacheline_aligned_in_smp.

Is that a good idea if the cache line size is 256 bytes?
Indeed is that ever sane - except for a few special structures
that really need it, and are guaranteed to be allocated
with that much alignment.


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