1 files changed, 13 insertions, 5 deletions

diff --git a/perl.h b/perl.h
index b69baca874..4cd9a2b586 100644
--- a/perl.h
+++ b/perl.h
@@ -4081,17 +4081,25 @@ struct perl_memory_debug_header {
 #ifdef MYMALLOC
 #  define Perl_safesysmalloc_size(where)	Perl_malloced_size(where)
 #else
-#   ifdef HAS_MALLOC_SIZE
+#  ifdef HAS_MALLOC_SIZE
+#    ifdef PERL_TRACK_MEMPOOL
 #	define Perl_safesysmalloc_size(where)			\
 	    (malloc_size(((char *)(where)) - sTHX) - sTHX)
-#   endif
-#   ifdef HAS_MALLOC_GOOD_SIZE
+#    else
+#	define Perl_safesysmalloc_size(where) malloc_size(where)
+#    endif
+#  endif
+#  ifdef HAS_MALLOC_GOOD_SIZE
+#    ifdef PERL_TRACK_MEMPOOL
 #	define Perl_malloc_good_size(how_much)			\
 	    (malloc_good_size((how_much) + sTHX) - sTHX)
-#   else
+#    else
+#	define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
+#    endif
+#  else
 /* Having this as the identity operation makes some code simpler.  */
 #	define Perl_malloc_good_size(how_much)	(how_much)
-#   endif
+#  endif
 #endif
 
 typedef int (CPERLscope(*runops_proc_t)) (pTHX);