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Description of problem:
Bug 1264387 has changed to use lockd.conf instead of sysconfig to set module lockd parameters. When testing enable/disable "nsm_use_hostnames", found that "fs.nfs.nsm_use_hostnames" shows up as 16777216 but not 1 after enabled it in ppc64 machines.
This issue *not* exists in x86_64.

Version-Release number of selected component (if applicable):
Only in ppc64 arch

How reproducible:
100% easy

Steps to Reproduce:
1. echo 'options lockd nsm_use_hostnames=1' >/etc/modprobe.d/lockd.conf
2. Re-load the module lockd or reboot system to make it effective
3. sysctl fs.nfs.nsm_use_hostnames
4. cat /sys/module/lockd/parameters/nsm_use_hostnames

Actual results:
# After enabled it
[root]# sysctl fs.nfs.nsm_use_hostnames
fs.nfs.nsm_use_hostnames = 16777216 <<<<<<<<<<<<<<<<< 
[root@]# cat /sys/module/lockd/parameters/nsm_use_hostnames 
Y
[root]# 

Expected results:
[root]# sysctl fs.nfs.nsm_use_hostnames
fs.nfs.nsm_use_hostnames = 1  <<<<<<<<<<<<<<<<<<<<<<<<<<
[root@]# cat /sys/module/lockd/parameters/nsm_use_hostnames 
Y
[root]#

Additional info:
[yoyang@yoyang-pc lockd]$ awk 'BEGIN{print log(16777216)/log(2)}'
24
[yoyang@yoyang-pc lockd]$ awk 'BEGIN{print 2**24}'
16777216
[yoyang@yoyang-pc lockd]$