diff -Naur ../varnish-2.0.3.orig/lib/libjemalloc/jemalloc_linux.c ./lib/libjemalloc/jemalloc_linux.c
--- ../varnish-2.0.3.orig/lib/libjemalloc/jemalloc_linux.c 2009-02-12 12:15:24.000000000 +0100
+++ ./lib/libjemalloc/jemalloc_linux.c 2009-06-04 15:27:34.000000000 +0200
@@ -272,6 +272,11 @@
# define QUANTUM_2POW 4
# define SIZEOF_PTR_2POW 2
#endif
+#ifdef __s390x__
+# define PAGESIZE_2POW 12
+# define QUANTUM_2POW 4
+# define SIZEOF_PTR_2POW 3
+#endif
#define QUANTUM ((size_t)(1U << QUANTUM_2POW))
#define QUANTUM_MASK (QUANTUM - 1)