Library /sys$common/syshlp/uafhelp.hlb COPY, Qualifiers, /WSQUOTA  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /WSQUOTA=value

    Specifies the working set quota. This is the maximum amount of
    physical memory a user process can lock into its working set. It
    also represents the maximum amount of swap space that the system
    reserves for this process and the maximum amount of physical
    memory that the system allows the process to consume if the
    systemwide memory demand is significant.

    The value cannot be greater than the value of WSMAX and cannot
    exceed 64K pages. This quota value replaces smaller values of
    PQL_MWSQUOTA.