From: chenzhen <chenzhen44@huawei.com>
Subject: [PATCH] eliminate the difference of limit.pm

reason: The limit.pm are diff between two compilations, This is because that
 there has diff when calculating dclone's maximum recursion depth by stacksize.
 give max_depth a fixed value.
---
diff --git a/stacksize b/stacksize
index f93eccc..7adab2e 100644
--- a/stacksize
+++ b/stacksize
@@ -155,7 +155,10 @@ if ($max_depth == $bad1-1
     print "MAX_DEPTH = $max_depth\n" unless QUIET;
 }
 print "# MAX_DEPTH_HASH = $n\n" unless QUIET;
-my $max_depth_hash = $n;
+
+# Set this variable to a const value to eliminate bep differences.
+# This value is close to the calculation result on machine with 8192 stacksize
+my $max_depth = 20145;
 
 # Previously this calculation was done in the macro, calculate it here
 # instead so a user setting of either variable more closely matches