Re: [PATCH v2 05/10] mm, kfence: insert KFENCE hooks for SLUB

[Christopher Lameter]

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?