--- a/ObjectMemory.st	Tue Mar 15 22:59:29 2016 +0100
+++ b/ObjectMemory.st	Thu Mar 17 22:17:07 2016 +0100
@@ -4875,15 +4875,13 @@
     "return the number of bytes allocated (and used) by malloc."
 
 %{  /* NOCONTEXT */
-    extern int __stx_malloc_stats();
-    long statsArray[3];
-    int filled;
-
-    filled = __stx_malloc_stats(statsArray, sizeof(statsArray));
-    if (filled < 1) {
-	RETURN(__mkSmallInteger(0));
-    }
-    RETURN ( __MKUINT(statsArray[0]));
+#ifdef __linux__
+# include  <malloc.h>
+    struct mallinfo minfo;
+
+    minfo = mallinfo();
+    RETURN ( __MKUINT(minfo.uordblks));
+#endif
 %}.
     ^ 0
 
@@ -4926,15 +4924,13 @@
     "return the number of bytes reserved by malloc (may not have been used yet)."
 
 %{  /* NOCONTEXT */
-    extern int __stx_malloc_stats();
-    long statsArray[3];
-    int filled;
-
-    filled = __stx_malloc_stats(statsArray, sizeof(statsArray));
-    if (filled < 2) {
-	RETURN(__mkSmallInteger(0));
-    }
-    RETURN ( __MKUINT(statsArray[1]));
+#ifdef __linux__
+#include  <malloc.h>
+    struct mallinfo minfo;
+
+    minfo = mallinfo();
+    RETURN ( __MKUINT(minfo.usmblks));
+#endif
 %}.
     ^ 0