diff --git a/include/linux/slab.h b/include/linux/slab.h
index f3a8eec..f62caaa 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -271,5 +271,10 @@
 	return kmalloc(size, flags | __GFP_ZERO);
 }
 
+#ifdef CONFIG_SLABINFO
+extern const struct seq_operations slabinfo_op;
+ssize_t slabinfo_write(struct file *, const char __user *, size_t, loff_t *);
+#endif
+
 #endif	/* __KERNEL__ */
 #endif	/* _LINUX_SLAB_H */