At the time of a pageable storage shortage, the system identified an address space as the largest swappable user of fixed frames. The amount of fixed frames includes the address space's local system queue area (LSQA).
The system swaps out the address space. The system does not process the address space until the shortage is relieved and there are sufficient frames available to satisfy the address space's current requirements. When the address space is swapped in again, the system writes message IRA501I.
If requested by the system programmer, quiesce system activity and swap in the address space. Once swapped in, either allow the address space to run to completion or cancel it.
Examine the validity of the address space and determine whether it should continue. If the address space should continue, request the operator to quiesce other system activity and swap in the address space.
System resources manager (SRM)
IRASTFXS
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