Thread: pgsql: Update shared memory configuration information for Linux In

Log Message:
-----------
Update shared memory configuration information for Linux

In particular, the assertion that shmall is sufficiently sized by default
is slowly becoming untrue.

Modified Files:
--------------
    pgsql/doc/src/sgml:
        runtime.sgml (r1.431 -> r1.432)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/runtime.sgml?r1=1.431&r2=1.432)