diff --git a/mm/slob.c b/mm/slob.c
index 5423941..b90091c 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -157,7 +157,7 @@
 	return order;
 }
 
-void *kmalloc(size_t size, gfp_t gfp)
+void *__kmalloc(size_t size, gfp_t gfp)
 {
 	slob_t *m;
 	bigblock_t *bb;
@@ -186,8 +186,7 @@
 	slob_free(bb, sizeof(bigblock_t));
 	return 0;
 }
-
-EXPORT_SYMBOL(kmalloc);
+EXPORT_SYMBOL(__kmalloc);
 
 void kfree(const void *block)
 {
@@ -329,6 +328,17 @@
 static struct timer_list slob_timer = TIMER_INITIALIZER(
 	(void (*)(unsigned long))kmem_cache_init, 0, 0);
 
+int kmem_cache_shrink(struct kmem_cache *d)
+{
+	return 0;
+}
+EXPORT_SYMBOL(kmem_cache_shrink);
+
+int kmem_ptr_validate(struct kmem_cache *a, void *b)
+{
+	return 0;
+}
+
 void kmem_cache_init(void)
 {
 	void *p = slob_alloc(PAGE_SIZE, 0, PAGE_SIZE-1);