From: mulyadi.santosa@gmail.com (Mulyadi Santosa)
To: kernelnewbies@lists.kernelnewbies.org
Subject: Replacing a page in page_cache
Date: Tue, 28 Feb 2012 04:20:22 +0700 [thread overview]
Message-ID: <CAGdaadZgKETUdtF_fhKc-T7NBQUQcVtk5B92rvKZExGCPzHrTw@mail.gmail.com> (raw)
In-Reply-To: <CAJbRZyWy1XUrV+-fSSc-FQ0jenxaa71NeuYqQ909bRjNS2R0mQ@mail.gmail.com>
On Mon, Feb 27, 2012 at 20:41, Jack David <jd6589@gmail.com> wrote:
> Hi All,
>
> I am trying to replace a page which is already present in page_cache.
> Is there any direct way to do so (via some kernel API)? ?My experiment
> is something like, I have a file opened and read completely in user
> space app (just to make sure that all the file is present in page
> cache). From kernel, I am allocating a new page, filling some data
> into it, and want to store this data by replacing some existing page
> from page_cache.
sounds like what you want to do is like normal mmap in user space and
then write new data into it?
--
regards,
Mulyadi Santosa
Freelance Linux trainer and consultant
blog: the-hydra.blogspot.com
training: mulyaditraining.blogspot.com
next prev parent reply other threads:[~2012-02-27 21:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-27 13:41 Replacing a page in page_cache Jack David
2012-02-27 21:20 ` Mulyadi Santosa [this message]
2012-02-28 6:17 ` Jack David
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