Re: Eliminating kernel mixed page (code + data)

[Siarhei Liakh]

> First, is there a kernel option to enforce kernel code and kernel data
> separation among pages ?

I do not think so.

> Otherwise, is it sufficient to enforce page alignment for the start address of
> all data segment, to achieve this goal ?
> (on top of using CONFIG_RELOCATABLE)

AFAIK, this would be required but not sufficient. I am currently
working on a set of patches that:
1. eliminate mixed pages in kernel space
2. keep data as non-executable and code as read-only

As a starting point, you can search for my name in the mailing list to
see the patches and the discussion around them.
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