Increase value "maxuprc" whitout reboot (using mdb)

Hi,

I want to increase the value "maxuprc" without rebooting the system.

I think that's possible by using "mdb", have someone the good  command  ( I want to increase maxupr from 150 to 512)?

Why I want do this :

------------------------

In /var/adm/messages

Dec 14 01:23:39 xxxxx kernel: genunix: [ID 748887 kern.notice] NOTICE: out of per-user processes for uid 1111
Dec 14 01:23:39 xxxxx kernel: genunix: [ID 748887 kern.notice] NOTICE: out of per-user processes for uid 1111
Dec 14 01:24:11 xxxxx kernel: genunix: [ID 748887 kern.notice] NOTICE: out of per-user processes for uid 1111

# sysdef | grep proc
fs/procfs
fs/amd64/procfs
   16346        maximum number of processes (v.v_proc)
     150        maximum processes per user id (v.v_maxup)