Messages in this thread |  | | | Date | Wed, 2 Jul 2008 04:21:21 -0700 (PDT) | | From | yzhar <> | | Subject | How to figure READONLY kernel space address/page |
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Hi there,
I would like to figure out if a kernel space address is within a READONLY page (even for kernel usage). The code is within an LKM, so I guess I'm a bit constraint to exported kernel methods. I can see the pgtbl entry holding such information, but could not figure out how to get pte_t* from a kernel address.
One other thing I'm confused with is "what methods/symbols could I use within an LKM"? (The LKM is build out of kernel build). Some articles suggested the /proc/kallsyms searching for the _T_ symbols, but from my short experience it doesn't correspond. Could you enlighten this issue?
Btw, I'm very new to the Linux kernel.
Thx, Yzhar
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