diff --git a/mm/slab.h b/mm/slab.h
index 0a56d76a..4c3ac12 100644
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -138,7 +138,7 @@
 #define CACHE_CREATE_MASK (SLAB_CORE_FLAGS | SLAB_DEBUG_FLAGS | SLAB_CACHE_FLAGS)
 
 int __kmem_cache_shutdown(struct kmem_cache *);
-int __kmem_cache_shrink(struct kmem_cache *);
+int __kmem_cache_shrink(struct kmem_cache *, bool);
 void slab_kmem_cache_release(struct kmem_cache *);
 
 struct seq_file;