2007-08-05 17:38:19

by Robert Hancock

[permalink] [raw]
Subject: Re: Page Cache question

Adnan Khaleel wrote:
> So would it be possible to me to disable it for just a particular user space process?

It's the core of the whole VM/memory management subsystem. It's not
something you can just disable.

It would be better if you explained what exactly you were trying to
accomplish..

>
> Adnan
>
>
>> 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.
>
>
>
> All user memory is in the page cache. Without it you could only run kernel
>
> modules.
>
>
>
> -Andi

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