[NTOS]: Fix definition of unused MI_MAKE_SOFTWARE_PTE macro.
[NTOS]: Correctly setup the PFN entries for freshly allocated paged pool pages. Fixes a problem where the page could've still had stale/garbage data.
[NTOS]: Add some extra assertions in the code to catch memory corruption and detect invalid logic.
[NTOS]: Fix some typos in the code (comments/whitespace).
[NTOS]: Make the dreaded page fault message that breaks paged pool on some systems more verbose for future debugging.
svn path=/trunk/; revision=47189