After making changes to SMRT slot pool percentages, will they become effective when I reload the SMRT?
TPX® Session Management for z/OS
No. Slot pool changes require a restart (cycle) of the TPX started task before they are in effect.
On the SMRT Storage Parameter screens, the only fields that can be dynamically changed are the DSA and Slot Overload percentages. These are indicated with an asterisk: