ReactOS Portable Systems Group 0067e2c1a5 - Fix several problems with the System PTE implementation, including the lack of locks.
- I also didn't fully like the idea of sticking "-1" into a 5-bit wide bitfield -- instead just stuff it as 0xFFFFF with a typecast. 
    - This seems to be NT's MM_EMPTY_LIST that shows up in a couple of ASSERTs on the checked build.
- This fixes several random crashes seen on my test boxes when mapping MDLs and using NP expansion VA.
- Dedicated to Brüno.

svn path=/trunk/; revision=41934
2009-07-12 13:06:41 +00:00
2009-07-08 20:28:33 +00:00
S
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A free Windows-compatible Operating System
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