Date: Mon, 3 Mar 2008 11:30:07 -0800 (PST)
From: Christoph Lameter <clameter@sgi.com>
To: Nick Piggin <nickpiggin@yahoo.com.au>
cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
       Eric Dumazet <dada1@cosmosbay.com>,
       "David S. Miller" <davem@davemloft.net>,
       Andrew Morton <akpm@linux-foundation.org>,
       linux kernel <linux-kernel@vger.kernel.org>, netdev@vger.kernel.org,
       "Zhang, Yanmin" <yanmin_zhang@linux.intel.com>
Subject: Re: [PATCH] alloc_percpu() fails to allocate percpu data
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 <200803031414.43076.nickpiggin@yahoo.com.au>
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On Mon, 3 Mar 2008, Nick Piggin wrote:

> I think so. If we ask for HWCACHE_ALIGN, it must be for a good reason.
> If some structures get too bloated for no good reason, then the problem
> is not with the slab allocator but with the caller asking for
> HWCACHE_ALIGN.

Right. There should only be a few select users of this strange flag. 
Otherwise if a certain alignment is wanted specify it in the alignment 
parameter passed to kmem_cache_create.

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