<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
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