Some Questions about Kernel Page Table

Mulyadi Santosa mulyadi.santosa at gmail.com
Thu Jan 6 22:52:23 EST 2011


Hi...

On Fri, Jan 7, 2011 at 10:40, lichangshou <chungzhou at gmail.com> wrote:
> Hi all,
> In linux-2.6.35.4, the page size of kernel image is 2M, which means that the
> entity in pmd is PFN pointing to physical page.
> For research, I want to change the page size of kernel image to 4K.
>I
> modified the content of pmd to make each entity of pmd point to a new page
> table.


OK hold it right there...what does PMD have to do with page size
change? Isn't that like falling back from using hugetlb to usual page
size?

-- 
regards,

Mulyadi Santosa
Freelance Linux trainer and consultant

blog: the-hydra.blogspot.com
training: mulyaditraining.blogspot.com



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