Log Message:
-----------
Upgrade localbuf.c to use a hash table instead of linear search to
find already-allocated local buffers. This is the last obstacle
in the way of setting NLocBuffer to something reasonably large.
Modified Files:
--------------
pgsql/src/backend/storage/buffer:
localbuf.c (r1.64 -> r1.65)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/storage/buffer/localbuf.c.diff?r1=1.64&r2=1.65)