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Date: Tue, 20 Nov 2007 12:48:26 -0800 (PST)
From: Christoph Lameter <clameter@sgi.com>
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To: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
cc: ak@suse.de, akpm@linux-foundation.org, travis@sgi.com,
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Subject: Re: [rfc 44/45] Remove local_t support
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 <20071120125944.GD10127@Krystal>
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On Tue, 20 Nov 2007, Mathieu Desnoyers wrote:

> The question that arises is : are there some architectures that do not
> provide fast PER_CPU ops but provides fast local atomic ops ?

There were only a few no critical users of local_t before this patch. So I 
doubt that it matters.