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From: Matt Mackall <mpm@selenic.com>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Pekka Enberg <penberg@cs.helsinki.fi>,
	"Kirill A. Shutemov" <kirill@shutemov.name>,
	Christoph Lameter <cl@linux-foundation.org>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	linux-crypto@vger.kernel.org, Geert.Uytterhoeven@sonycom.com
Subject: Re: [PATCH] Export symbol ksize()
Date: Sun, 15 Feb 2009 19:54:39 -0600	[thread overview]
Message-ID: <1234749279.5669.225.camel@calx> (raw)
In-Reply-To: <20090216015229.GA13892@gondor.apana.org.au>

On Mon, 2009-02-16 at 09:52 +0800, Herbert Xu wrote:
> On Sun, Feb 15, 2009 at 07:28:46PM -0600, Matt Mackall wrote:
> >
> > Yeah. That sucks. We should probably stick in an skb-friendly slab size
> > and see what happens on network benchmarks.
> 
> I don't see how that's going to help since we don't want it to
> cross page boundaries either (having just wasted a day tracking
> down a virtual networking bug because of slab debugging and
> crossing page boundaries).

I'll bite.. what's wrong with page boundaries? Do we play per-SKB TLB
games in virtual network drivers?

-- 
http://selenic.com : development and support for Mercurial and Linux


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  reply	other threads:[~2009-02-16  1:54 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-02-10 13:21 [PATCH] Export symbol ksize() Kirill A. Shutemov
2009-02-10 13:35 ` Pekka Enberg
2009-02-10 13:46   ` Kirill A. Shutemov
2009-02-10 14:06     ` Pekka J Enberg
2009-02-12 10:43       ` Herbert Xu
2009-02-12 10:45         ` Pekka Enberg
2009-02-12 10:50           ` Herbert Xu
2009-02-12 13:10             ` Nick Piggin
2009-02-12 23:09               ` Herbert Xu
2009-02-12 23:37                 ` Matt Mackall
2009-02-13 13:20                   ` Nick Piggin
2009-02-13 16:57                     ` Kyle Moffett
2009-02-12 15:55             ` Pekka Enberg
2009-02-12 23:09               ` Herbert Xu
2009-02-15 21:36               ` Andrew Morton
2009-02-15 21:43                 ` Matt Mackall
2009-02-15 21:55                   ` Andrew Morton
2009-02-15 23:49                     ` Matt Mackall
2009-02-16  1:00                       ` Andrew Morton
2009-02-16  1:21                         ` Herbert Xu
2009-02-16  1:28                           ` Matt Mackall
2009-02-16  1:52                             ` Herbert Xu
2009-02-16  1:54                               ` Matt Mackall [this message]
2009-02-16  1:57                                 ` Herbert Xu
2009-02-16  1:38                         ` Matt Mackall
2009-02-17  8:43                           ` Geert Uytterhoeven
2009-02-17 16:17                       ` Christoph Lameter
2009-02-17 17:03                         ` Pekka Enberg
2009-02-17 17:06                           ` Christoph Lameter
2009-02-16 13:56       ` Johannes Weiner
2009-02-16 14:09         ` Pekka Enberg
2009-02-16 16:32         ` Joe Perches
2009-02-16 17:29           ` Pekka Enberg

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