On Tue, 15 Sep 2020, Marco Elver wrote: > void *kmem_cache_alloc(struct kmem_cache *s, gfp_t gfpflags) > { > - void *ret = slab_alloc(s, gfpflags, _RET_IP_); > + void *ret = slab_alloc(s, gfpflags, _RET_IP_, s->object_size); The additional size parameter is a part of a struct kmem_cache that is already passed to the function. Why does the parameter list need to be expanded?