diff --git a/Makefile b/Makefile
index c2521e1..61d4922 100644
--- a/Makefile
+++ b/Makefile
@@ -21,7 +21,8 @@ SHLIB_LINK = -L$(PQLIB) -lpq
 
 DIST_FILES = Makefile src/plproxy.h src/rowstamp.h src/scanner.l src/parser.y \
 	     sql/*.sql expected/*.out config/*.sql doc/*.txt doc/Makefile \
-	     AUTHORS COPYRIGHT README plproxy.sql.in NEWS debian/packages
+	     AUTHORS COPYRIGHT README plproxy.sql.in NEWS debian/packages \
+		 src/dbgmalloc.h
 DIST_DIRS = src sql expected config doc debian
 TARNAME = plproxy-$(PLPROXY_VERSION)
 
@@ -45,7 +46,7 @@ src/scanner.c: src/scanner.l
 	cd src; $(FLEX) -oscanner.c scanner.l
 
 # dependencies
-$(OBJS): src/plproxy.h src/rowstamp.h
+$(OBJS): src/plproxy.h src/rowstamp.h src/dbgmalloc.h
 
 # utility rules
 
diff --git a/src/dbgmalloc.h b/src/dbgmalloc.h
new file mode 100644
index 0000000..1f6caf8
--- /dev/null
+++ b/src/dbgmalloc.h
@@ -0,0 +1,28 @@
+
+#define MALLOCLOGx
+
+static inline void *my_malloc(const char *pfx, int len) {
+	void *p = palloc(len);
+#ifdef MALLOCLOG
+	elog(NOTICE, "%s:%s(%d) = %p", pfx, __FUNCTION__, len, p);
+#endif
+	return p;
+}
+static inline void *my_realloc(const char *pfx, void *old, int len) {
+	void *p = repalloc(old, len);
+#ifdef MALLOCLOG
+	elog(NOTICE, "%s:%s(%p, %d) = %p", pfx, __FUNCTION__, old, len, p);
+#endif
+	return p;
+}
+static inline void my_free(const char *pfx, void *p) {
+	pfree(p);
+#ifdef MALLOCLOG
+	elog(NOTICE, "%s:%s(%p)", pfx, __FUNCTION__, p);
+#endif
+}
+
+#define malloc(x)  my_malloc(__FILE__, x)
+#define realloc(x, y)  my_realloc(__FILE__, x, y)
+#define free(x)  my_free(__FILE__, x)
+