doc: Fix explanation related to pg_shmem_allocations
authorMichael Paquier
Wed, 16 Dec 2020 01:39:29 +0000 (10:39 +0900)
committerMichael Paquier
Wed, 16 Dec 2020 01:39:29 +0000 (10:39 +0900)
commitd28a14d2d4009cec91f9d0f0ceaa60f06c6e289c
treeda2f2d4b7b7b9b7b3f33a1b803b79468bbdf207d
parentde7b034dafd3847cddcd5f96cca1efce6f7ace8a
doc: Fix explanation related to pg_shmem_allocations

Offsets are shown as NULL only for anonymous allocations.

Author: Benoit Lobréau
Reviewed-by: Kyotaro Horiguchi
Discussion: https://postgr.es/m/CAPE8EZ5Lnoyqoz7aZpvQM0E8sW+hw+k6G2NULe+m4arFRrA1aA@mail.gmail.com
Backpatch-through: 13
doc/src/sgml/catalogs.sgml