RE: [doc fix] Correct calculation of vm.nr_hugepages

From: Justin Pryzby [mailto:pryzby@telsasoft.com]
> One can do with fewer greps:
> pryzbyj@pryzbyj:~$ sudo pmap `pgrep -P 1 -u postgres` |awk
> '/rw-s/&&/zero/{print $2}' # check PPID=1 144848K

Thanks, I'd like to take this.

Regards
Takayuki Tsunakawa