From 3f241365d5b3c0afdca888248a90a137d0b8b3d5 Mon Sep 17 00:00:00 2001
From: Howard Chu <hyc@symas.com>
Date: Sun, 12 Jan 2014 17:37:04 -0800
Subject: [PATCH] Make sure mapsize changes take effect on Windows.

---
 libraries/liblmdb/mdb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
index b6e2f842c7..6ca890fdf3 100644
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -3556,7 +3556,7 @@ mdb_env_open2(MDB_env *env)
 			env->me_mapsize = minsize;
 	}
 
-	rc = mdb_env_map(env, meta.mm_address, newenv);
+	rc = mdb_env_map(env, meta.mm_address, newenv || env->me_mapsize != meta.mm_mapsize);
 	if (rc)
 		return rc;
 
-- 
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