Configured LargePages on AIX 5.3 host for 11gr1 oracle database, but oracle processes not using larg

We  implemented Largepages on Production environment ( we have applied same to dev/qa/pilot environment before the prod, all worked well).
We followed steps in the note on how to configure largespages on prod, and rebooted db. however we found out the largepages are not in use by oracle.


PageSize PoolSize inuse pgsp pin virtual
s 4 KB - 17218019 39518 6576132 7556753
m 64 KB - 615691 0 611943 615691
L 16 MB 763 0 0 763 0

ORacle parameters are set as following:
SQL> show parameter target

NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
archive_lag_target integer 900
db_flashback_retention_target integer 1440
fast_start_io_target integer 0
fast_start_mttr_target integer 0
memory_max_target big integer 0