mquery call and page faults

Hello -

I scanned the docs and code for a counterpart to the mprotect call: I would like some way to query the vm_flags for a page (or set of pages). It would be great if it was possible to check the page-flag values as well (locked, dirty, etc), tho this is less important.

Finally, is there an architecture-independent method for determining the type of page fault? The only thing I've found was in the do_page_fault call, but it is processor-dependent.

I would be happy to implement these features if they do not already exist and if noone else is working on them. Any suggestions are welcome.

thanks!
--craig
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