Re: mm: how to check for kernel pages

[Arjan van de Ven]

On Sun, 2007-02-04 at 12:02 +0100, Michal Hocko wrote:
> Hi,
> is there any effective and fast way how to find out whether page
> given by its page frame number is currenly used by (mapped by) kernel?

what do you want to use this for? The answer to your question greatly
depends on that...

Specifically, do you want to know if it's a kernel allocated page or a
kernel mapped page? (Those are different concepts)
Also can you deal with false negatives/positives?


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