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Date: Wed, 13 Dec 2000 02:24:58 +0100 (CET)
From: Igmar Palsenberg <maillist@chello.nl>
To: Peter Samuelson <peter@cadcamlab.org>
cc: Android <android@abac.com>, linux-kernel@vger.kernel.org
Subject: Re: Linux 2.2.18 release notes
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> - metrics -- L1 cacheline size is the important one: you align array
>   elements to this size when you want a per-cpu array, so that multiple
>   CPUs do not share a cacheline for accessing their "own" structure.
>   Proper alignment avoids "cacheline ping-pong", as it's called,
>   whenever two CPUs need to access "their" element of the same array at
>   the same time.

Anyone can give me some pointers on how this is done runtime ? (name of
the .c file is fine).

I'm still looking at the basic stuff, but haven't bumped into this one
yet...




	Igmar

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