1 files changed, 1 insertions, 1 deletions

diff --git a/mm/slob.c b/mm/slob.c
index b90091c4b08c..2e9236e10ed1 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -334,7 +334,7 @@ int kmem_cache_shrink(struct kmem_cache *d)
 }
 EXPORT_SYMBOL(kmem_cache_shrink);
 
-int kmem_ptr_validate(struct kmem_cache *a, void *b)
+int kmem_ptr_validate(struct kmem_cache *a, const void *b)
 {
         return 0;
 }