PSBW= parameter for procedures

The value can be specified as 1- to 6-numeric characters or 1- to 5-numeric characters followed by either K (kilobyte), M (megabyte), or G (gigabyte). If K, M, or G is not specified, K is the default. The maximum value that can be specified is 2G-1. If the value specified exceeds 2G-1 the default is 2G-1. If no value is specified, the default value is 32K. The pool size specified is rounded up to the nearest page boundary.

The output of the ACBGEN utility indicates the maximum work area size among the work area sizes required by each PSB. Depending on the execution environment, the work area size for a given PSB may be increased to the size of the long message queue buffer or to the size specified plus the maximum segment size of the segments processed by this PSB. The ACBGEN output should be examined before specifying the PSBW= parameter

For CSAPSB and PSBW, DFSIINS0 obtains contiguous space in the z/OS® common area. If this storage is unavailable in the z/OS common area, ABENDU0717 occurs.