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-rw-r--r--src/backend/storage/buffer/freelist.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/backend/storage/buffer/freelist.c b/src/backend/storage/buffer/freelist.c
index b68ab2082e8..5d0a636ba8c 100644
--- a/src/backend/storage/buffer/freelist.c
+++ b/src/backend/storage/buffer/freelist.c
@@ -406,8 +406,8 @@ StrategySyncStart(uint32 *complete_passes, uint32 *num_buf_alloc)
/*
* StrategyNotifyBgWriter -- set or clear allocation notification latch
*
- * If bgwriterLatch isn't NULL, the next invocation of StrategyGetBuffer will
- * set that latch. Pass NULL to clear the pending notification before it
+ * If bgwprocno isn't -1, the next invocation of StrategyGetBuffer will
+ * set that latch. Pass -1 to clear the pending notification before it
* happens. This feature is used by the bgwriter process to wake itself up
* from hibernation, and is not meant for anybody else to use.
*/