Merge r4387: jemalloc portability fixes for sparc and s390

git-svn-id: http://www.varnish-cache.org/svn/branches/2.0@4410 d4fa192b-c00b-0410-8231-f00ffab90ce4

lib/libjemalloc/jemalloc_linux.c

@@ -243,7 +243,7 @@
 #  define SIZEOF_PTR_2POW	3
 #  define NO_TLS
 #endif
-#ifdef __sparc64__
+#ifdef __sparc__
 #  define PAGESIZE_2POW		13
 #  define QUANTUM_2POW		4
 #  define SIZEOF_PTR_2POW	3
@@ -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)