..
cleanup.
MemGuard + PALLOC test: b/w sensitivity
mc-mapping: Fix detection error in Bit[25:20]

When target bit is in Bit[25:20], both master and
interfering mc-mapping instances could use the same
addresses, which then would result in incorrect
performance result (i.e., wrong bit detection).

This bug is introduced by 94a60c73 (refactoring).
mc-mapping: minor allocation size adjustment