Обсуждение: pgsql: Fix inconsistency in pg_buffercache docs.

Fix inconsistency in pg_buffercache docs.

Commit 6e654546fb avoids locking bufmgr partitions to make pg_buffercache
less disruptive on production systems but forgot to update the docs.

Reported-by: Sawada Masahiko
Author: Sawada Masahiko
Reviewed-by: Amit Kapila
Backpatch-through: 10
Discussion: https://postgr.es/m/CA+fd4k6sD8oeP1qJbFAor=rCpYckU9DsywHiYx3x5Hz5Z8Ua_w@mail.gmail.com

Branch
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REL_11_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/f918b5d219b7200d204515b32346183b97d031ae

Modified Files
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doc/src/sgml/pgbuffercache.sgml | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)