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-rw-r--r--src/include/commands/async.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/include/commands/async.h b/src/include/commands/async.h
index 02da6ba7e11..a44472b3526 100644
--- a/src/include/commands/async.h
+++ b/src/include/commands/async.h
@@ -21,6 +21,7 @@
#define NUM_NOTIFY_BUFFERS 8
extern PGDLLIMPORT bool Trace_notify;
+extern PGDLLIMPORT int max_notify_queue_pages;
extern PGDLLIMPORT volatile sig_atomic_t notifyInterruptPending;
extern Size AsyncShmemSize(void);