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From: Eugene Teo <eugeneteo@kernel.sg>
To: Helge Hafting <helge.hafting@aitel.hist.no>
Cc: Adnan Khaleel <akhaleel2001@yahoo.com>, linux-kernel@vger.kernel.org
Subject: Re: Page Cache Question
Date: Tue, 14 Aug 2007 22:38:07 +0800	[thread overview]
Message-ID: <20070814143807.GA23257@kernel.sg> (raw)
In-Reply-To: <46C18068.7020602@aitel.hist.no>

<quote sender="Helge Hafting">
> Adnan Khaleel wrote:
>> I'm looking for a way to disable the page cache for an
>> experimental NUMA system running the 2.6.17 kernel. I would prefer to
>> only disable the page cache for my process and still have it be enabled
>> by the rest of the system. Is there an easy way of doing this?
>> Alternatively, I would be fine disabling the Page Cache altogether as 
>> well.
>>   
> Assuming what you really mean is that you don't want to cache
> file i/o for that process - try opening files with O_DIRECT.

You will probably find this tool useful:
http://userweb.kernel.org/~akpm/pagecache-management/

"... a little tool which permits the management of the pagecache usage of
arbitrary applications.  Effectively it prevents the targetted application
from using any pagecache at all."

Eugene

  reply	other threads:[~2007-08-14 14:38 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-08-05 16:32 Adnan Khaleel
2007-08-05 17:46 ` Tino Keitel
2007-08-05 18:01 ` Andi Kleen
2007-08-14 10:14 ` Helge Hafting
2007-08-14 14:38   ` Eugene Teo [this message]
     [not found] <fa.ak7dGOAL/3/Q6eQ0zKX2KgaiWdU@ifi.uio.no>
2007-08-05 17:38 ` Page Cache question Robert Hancock
  -- strict thread matches above, loose matches on Subject: below --
2007-08-05 17:24 Adnan Khaleel
2006-02-27  7:45 page cache question Xin Zhao
2006-02-27  9:03 ` Nick Piggin

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