From: Matt Keenan <tank.en.mate@gmail.com>
To: LKML <linux-kernel@vger.kernel.org>
Subject: Re: copy_one_pte()
Date: Wed, 14 Mar 2007 08:35:07 +0000 [thread overview]
Message-ID: <45F7B3BB.1030404@gmail.com> (raw)
In-Reply-To: <20070313191844.GA4206@infradead.org>
Christoph Hellwig wrote:
> On Tue, Mar 13, 2007 at 08:15:25PM +0100, Zoltan Menyhart wrote:
>
>> I had a look at copy_one_pte().
>> I cannot see any ioproc_update_page() call, not even for the COW pages.
>> Is it intentional?
>>
>
> There is no such thing as ioproc_update_page in any mainline tree.
> You must be looking at some vendor tree with braindead patches applied.
>
>
It looks like this function exists as a part of patches to support
Quadrics NICs / RDMA (HPC platforms). The patches are there so the
driver doesn't need to pin pages, it can be informed of page updates
directly. A patch was submitted to l-k sometime in 2005.
Matt
next prev parent reply other threads:[~2007-03-14 8:37 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-13 19:15 copy_one_pte() Zoltan Menyhart
2007-03-13 19:18 ` copy_one_pte() Christoph Hellwig
2007-03-14 8:35 ` Matt Keenan [this message]
2007-03-15 19:06 ` copy_one_pte() Andrew Morton
2007-03-15 19:51 ` copy_one_pte() Matt Keenan
-- strict thread matches above, loose matches on Subject: below --
2007-04-02 16:17 copy_one_pte() Daniel J Blueman
[not found] ` <461209BE.6010905@bull.net>
2007-05-16 13:09 ` copy_one_pte() Daniel J Blueman
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