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