Log Message:
-----------
Clarify item:
< * Consider use of open/fcntl(O_DIRECT) to minimize OS caching
> * Consider use of open/fcntl(O_DIRECT) to minimize OS caching,
> especially for WAL writes
Modified Files:
--------------
pgsql/doc:
TODO (r1.1448 -> r1.1449)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/TODO.diff?r1=1.1448&r2=1.1449)