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-rw-r--r--src/include/storage/buf_internals.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/include/storage/buf_internals.h b/src/include/storage/buf_internals.h
index b768b6fc962..300adfcf9e8 100644
--- a/src/include/storage/buf_internals.h
+++ b/src/include/storage/buf_internals.h
@@ -317,6 +317,7 @@ extern void StrategyNotifyBgWriter(int bgwprocno);
extern Size StrategyShmemSize(void);
extern void StrategyInitialize(bool init);
+extern bool have_free_buffer(void);
/* buf_table.c */
extern Size BufTableShmemSize(int size);