ret = slab_alloc(s, gfpflags, -1, caller);
 
        /* Honor the call site pointer we recieved. */
-       kmemtrace_mark_alloc(KMEMTRACE_TYPE_KMALLOC, (unsigned long) caller,
-                            ret, size, s->size, gfpflags);
+       kmemtrace_mark_alloc(KMEMTRACE_TYPE_KMALLOC, caller, ret, size,
+                            s->size, gfpflags);
 
        return ret;
 }
        ret = slab_alloc(s, gfpflags, node, caller);
 
        /* Honor the call site pointer we recieved. */
-       kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_KMALLOC,
-                                 (unsigned long) caller, ret,
+       kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_KMALLOC, caller, ret,
                                  size, s->size, gfpflags, node);
 
        return ret;