On Tue, 15 Sep 2020, Marco Elver wrote: > @@ -3206,7 +3207,7 @@ static void *____cache_alloc_node(struct kmem_cache *cachep, gfp_t flags, > } > > static __always_inline void * > -slab_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid, > +slab_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid, size_t orig_size, > unsigned long caller) > { The size of the object is available via a field in kmem_cache. And a pointer to the current kmem_cache is already passed to the function. Why is there a need to add an additional parameter?