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pgstat: slru: remove outdated comment

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That comment might have been true at some point during development, but
definitely isn't anymore.

Reported-By: Melanie Plageman <melanieplageman@gmail.com>
Backpatch: 15-
This commit is contained in:
Andres Freund 2022-07-06 15:50:38 -07:00
parent 55b8ac8172
commit f4d3ca421d
1 changed files with 1 additions and 3 deletions
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4
src/backend/utils/activity/pgstat_slru.c
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@ -147,9 +147,7 @@ pgstat_get_slru_index(const char *name)
* Flush out locally pending SLRU stats entries * Flush out locally pending SLRU stats entries
* *
* If nowait is true, this function returns false on lock failure. Otherwise * If nowait is true, this function returns false on lock failure. Otherwise
* this function always returns true. Writer processes are mutually excluded * this function always returns true.
* using LWLock, but readers are expected to use change-count protocol to avoid
* interference with writers.
* *
* If nowait is true, this function returns true if the lock could not be * If nowait is true, this function returns true if the lock could not be
* acquired. Otherwise return false. * acquired. Otherwise return false.