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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
Date: Mon, 3 Mar 2008 11:30:07 -0800 (PST)	[thread overview]
Message-ID: <Pine.LNX.4.64.0803031129330.7275@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <200803031414.43076.nickpiggin@yahoo.com.au>

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.


  parent reply	other threads:[~2008-03-03 19:30 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-21 18:00 [PATCH] alloc_percpu() fails to allocate percpu data Eric Dumazet
2008-02-21 22:26 ` Peter Zijlstra
2008-02-23  9:23   ` Nick Piggin
2008-02-27 19:44     ` Christoph Lameter
2008-03-03  3:14       ` Nick Piggin
2008-03-03  7:48         ` Eric Dumazet
2008-03-03  9:41           ` Nick Piggin
2008-03-03 19:30         ` Christoph Lameter [this message]
2008-02-23  8:04 ` Andrew Morton
2008-02-27 19:59 ` Christoph Lameter
2008-02-27 20:24   ` Andrew Morton
2008-02-27 21:56     ` Christoph Lameter
2008-03-01 13:53     ` Eric Dumazet
2008-03-11 18:15 ` Mike Snitzer
2008-03-11 18:41   ` Eric Dumazet
2008-03-11 19:39     ` Mike Snitzer
2008-03-12  0:18       ` [stable] " Chris Wright

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