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SubjectRe: [PATCH] mm: tracking dirty pages -v6
If this one still has some problems there is on more thing we could try
before going back to the old way of doing things.

I found this 'gem' in the drm code:

vma->vm_page_prot =

which does exactly what is needed.

OTOH, my alternate version of the mprotect fix leaves dirty pages
writable, which saves a few faults.


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