6437734 memory corruption when fix for CR6301942 is used with kmem_flags KMF_REDZONE

[eric.l...@sun.com]

Author: elowe
Repository: /hg/onnv/onnv-gate
Revision: 3dc17507ee8b77f5bb9ab50af296ab604a4d9748
Log message:
6437734 memory corruption when fix for CR6301942 is used with kmem_flags 
KMF_REDZONE

Files:
        update: usr/src/uts/sun4/os/machdep.c