--- iceweasel-15.0.1.orig/memory/jemalloc/jemalloc.c	2012-09-22 23:31:15.088037723 +0000
+++ iceweasel-15.0.1/memory/jemalloc/jemalloc.c	2012-09-22 23:32:13.480037643 +0000
@@ -1091,7 +1091,7 @@
  * controlling the malloc behavior are defined as compile-time constants
  * for best performance and cannot be altered at runtime.
  */
-#if !defined(__ia64__) && !defined(__sparc__)
+#if !defined(__ia64__) && !defined(__sparc__) && !defined(__powerpc__) && !defined(__mipsel__)
 #define MALLOC_STATIC_SIZES 1
 #endif