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From: Joonsoo Kim <iamjoonsoo.kim@lge.com>
To: Christoph Lameter <cl@linux.com>
Cc: Glauber Costa <glommer@parallels.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	cgroups@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	Tejun Heo <tj@kernel.org>, Pekka Enberg <penberg@kernel.org>
Subject: Re: [PATCH v2] slub: correctly bootstrap boot caches
Date: Mon, 25 Feb 2013 14:16:15 +0900	[thread overview]
Message-ID: <20130225051615.GC12158@lge.com> (raw)
In-Reply-To: <0000013d09a01f03-376fad0e-700d-4a04-8da2-89e6b3a22408-000000@email.amazonses.com>

Hello, Christoph.

On Sun, Feb 24, 2013 at 12:35:22AM +0000, Christoph Lameter wrote:
> On Sat, 23 Feb 2013, JoonSoo Kim wrote:
> 
> > With flushing, deactivate_slab() occur and it has some overhead to
> > deactivate objects.
> > If my patch properly fix this situation, it is better to use mine
> > which has no overhead.
> 
> Well this occurs during boot and its not that performance critical.

Hmm...
Yes, this is not performance critical place, but why do we use
a sub-optimal solution?

And flushing is abstration for complicated logic, so I think that
my raw implemntation is better for understanding.

But, I have no objection to merge Glauber's one
if you think that is better.

Thanks.

> 
> --
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  reply	other threads:[~2013-02-25  5:15 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-22 16:20 [PATCH v2] slub: correctly bootstrap boot caches Glauber Costa
2013-02-22 16:34 ` Christoph Lameter
     [not found] ` <alpine.DEB.2.02.1302221034380.7600@gentwo.org>
2013-02-22 17:00   ` Christoph Lameter
     [not found]   ` <alpine.DEB.2.02.1302221057430.7600@gentwo.org>
2013-02-22 17:01     ` Christoph Lameter
2013-02-22 17:08       ` Glauber Costa
2013-02-22 17:23         ` Christoph Lameter
2013-02-22 23:20           ` JoonSoo Kim
2013-02-24  0:35             ` Christoph Lameter
2013-02-25  5:16               ` Joonsoo Kim [this message]
2013-02-27  7:47           ` Pekka Enberg
2013-02-27 13:46             ` Glauber Costa
2013-02-27 16:39               ` Christoph Lameter

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