27a03dd9__System_Parameters_for_OpenVMS__Definition
[Parameter] WSEXTENT [Definition] 
Indicates the maximum amount of physical memory which the process can own. The amount WSEXTENT less WSQUOTA is called borrowed memory, which is only allocated to the process if the system's current free list size exceeds the amount specified in the parameter BORROWLIM.
Calculating System Parameters for OpenVMS
Definition