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-rw-r--r--src/backend/access/hash/hashpage.c10
1 files changed, 0 insertions, 10 deletions
diff --git a/src/backend/access/hash/hashpage.c b/src/backend/access/hash/hashpage.c
index 0f85256b7e7..b7adfdb826e 100644
--- a/src/backend/access/hash/hashpage.c
+++ b/src/backend/access/hash/hashpage.c
@@ -49,16 +49,6 @@ static void log_split_page(Relation rel, Buffer buf);
/*
- * We use high-concurrency locking on hash indexes (see README for an overview
- * of the locking rules). However, we can skip taking lmgr locks when the
- * index is local to the current backend (ie, either temp or new in the
- * current transaction). No one else can see it, so there's no reason to
- * take locks. We still take buffer-level locks, but not lmgr locks.
- */
-#define USELOCKING(rel) (!RELATION_IS_LOCAL(rel))
-
-
-/*
* _hash_getbuf() -- Get a buffer by block number for read or write.
*
* 'access' must be HASH_READ, HASH_WRITE, or HASH_NOLOCK.