Oradism binary does not have root privilege

alert.log content:

Oradism binary does not have root privilege.
Please verify if oradism has required privilege
WARNING: -------------------------------
WARNING: oradism did not start up correctly.
Return code: 16 errno 0 info1 1001 info2 65535

WARNING: Detected too many memory locking problems.
WARNING: Performance degradation may occur.

Solution:

chmod 6550 $ORACLE_HOME/bin/oradism
## or
## chmod u=rxs,g=rxs,o= $ORACLE_HOME/bin/oradism
chown root:dba $ORACLE_HOME/bin/oradism
sqlplus / as sysdba << EOF
shutdown immediate;
startup;
EOF

REFERENCES

https://support.oracle.com/rs?type=doc&id=374367.1