From: joemonk64@gmail.com   
      
   > I can most definitely do a malloc of 8 GB under z/OS in AM64   
   > to get a contiguous 4 GB area on a 4 GB boundary, suitable   
   > for running 32-bit software, so long as I carefully fudge the   
   > high 32 bits of registers before running it.   
   >   
      
   Your PDPCLIB wont work. GETMAIN doesnt work on z/OS for any memory size   
   greater than 2GB. To get anything bigger than 2GB, you have to use IARV64, and   
   do memory object management...   
      
   I dont see any of that written into PDOS code.   
      
   Joe   
      
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