From 26767a5e06098b126fddc44d3d47b68678900686 Mon Sep 17 00:00:00 2001
From: Leonid Yuriev <leo@yuriev.ru>
Date: Wed, 18 Nov 2020 03:38:02 +0300
Subject: [PATCH] mdbx: relax big-page size checking for compatibility.

i.e. allow an overflow page be larger than required by placed data.
---
 src/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core.c b/src/core.c
index d9ddad50..01e8f31f 100644
--- a/src/core.c
+++ b/src/core.c
@@ -15383,7 +15383,7 @@ static __cold int mdbx_page_check(MDBX_cursor *const mc,
                           lp->mp_pgno);
             continue;
           }
-          if (unlikely(number_of_ovpages(env, dsize) != lp->mp_pages))
+          if (unlikely(number_of_ovpages(env, dsize) > lp->mp_pages))
             rc =
                 bad_page(mp, "big-node size (%zu) mismatch n-pages size (%u)\n",
                          dsize, lp->mp_pages);