From a98b74e6df6fdb9dbc29d44fe2879f96191d8904 Mon Sep 17 00:00:00 2001
From: Howard Chu <hyc@openldap.org>
Date: Wed, 18 Nov 2015 23:38:34 +0000
Subject: [PATCH] ITS#8315 fix ovpage_free

Keep dirty_room sync'd with dirty_list
---
 libraries/liblmdb/mdb.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
index 9f29973..99da353 100644
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -5570,6 +5570,7 @@ mdb_ovpage_free(MDB_cursor *mc, MDB_page *mp)
 				return MDB_CORRUPTED;
 			}
 		}
+		txn->mt_dirty_room++;
 		if (!(env->me_flags & MDB_WRITEMAP))
 			mdb_dpage_free(env, mp);
 release:
@@ -6704,6 +6705,7 @@ current:
 						return ENOMEM;
 					id2.mid = pg;
 					id2.mptr = np;
+					/* Note - this page is already counted in parent's dirty_room */
 					rc2 = mdb_mid2l_insert(mc->mc_txn->mt_u.dirty_list, &id2);
 					mdb_cassert(mc, rc2 == 0);
 					if (!(flags & MDB_RESERVE)) {