Many Dialog work process in PRIV mode

Hello All

Many Dialog work processes are moved into Private mode occasionally. Customer wants to check the whether SAP parameters regarding the PRIV mode Work processes has configured correctly.

Please let me know how to check and suggest the value to the customer to resolve the issue.

My system configuration

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AIX 6.1, oracle 11.2.0.3, ECC 6

Kernel version -

Parameters

abap/heap_area_total                    4000000000

rdisp/max_priv_time                         600

rdisp/wppriv_max_no                        DEFAULT

Total RAM is 76GB

Regards

Subbu