From: Ralf Baechle <ralf@linux-mips.org>
To: "Michael K. Edwards" <medwards.linux@gmail.com>
Cc: Don Fry <pcnet32@verizon.net>, jgarzik@pobox.com, netdev@vger.kernel.org
Subject: Re: [PATCH 1/2] pcnet32: only allocate init_block dma consistent
Date: Wed, 7 Mar 2007 19:22:28 +0000 [thread overview]
Message-ID: <20070307192228.GA13273@linux-mips.org> (raw)
In-Reply-To: <f2b55d220703070835n16fbb052ub80be3e3e6d326a3@mail.gmail.com>
On Wed, Mar 07, 2007 at 08:35:30AM -0800, Michael K. Edwards wrote:
> >Price question: why would this patch make a difference under VMware? :-)
>
> Moving the struct pcnet32_private from the GFP_DMA32 init_block to the
> GFP_KERNEL netdev allocation may be a win even on systems where
> GFP_DMA32 is normally cached, because the private area will get read
> ahead into cache when the netdev is touched.
GFP_* flags have no influence on caching or prefetching.
Ralf
next prev parent reply other threads:[~2007-03-07 19:24 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-06 18:45 [PATCH 1/2] pcnet32: only allocate init_block dma consistent Don Fry
2007-03-07 3:10 ` Ralf Baechle
2007-03-07 3:39 ` Michael K. Edwards
2007-03-07 4:21 ` Ralf Baechle
2007-03-07 16:35 ` Michael K. Edwards
2007-03-07 19:22 ` Ralf Baechle [this message]
2007-03-07 20:15 ` Michael K. Edwards
2007-03-08 1:44 ` Don Fry
2007-03-07 14:50 ` Lennart Sorensen
2007-03-09 17:01 ` Jeff Garzik
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