On 4/29/22 11:05, Miaohe Lin wrote:
> max field holds the largest slab order that was ever used for a slab cache.
> But it's unused now. Remove it.
>
> Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Added to slab tree, thanks.
> ---
> include/linux/slub_def.h | 1 -
> mm/slub.c | 2 --
> 2 files changed, 3 deletions(-)
>
> diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
> index 33c5c0e3bd8d..f9c68a9dac04 100644
> --- a/include/linux/slub_def.h
> +++ b/include/linux/slub_def.h
> @@ -105,7 +105,6 @@ struct kmem_cache {
> struct kmem_cache_order_objects oo;
>
> /* Allocation and freeing of slabs */
> - struct kmem_cache_order_objects max;
> struct kmem_cache_order_objects min;
> gfp_t allocflags; /* gfp flags to use on each alloc */
> int refcount; /* Refcount for slab cache destroy */
> diff --git a/mm/slub.c b/mm/slub.c
> index 1f699ddfff7f..e5535020e0fd 100644
> --- a/mm/slub.c
> +++ b/mm/slub.c
> @@ -4162,8 +4162,6 @@ static int calculate_sizes(struct kmem_cache *s)
> */
> s->oo = oo_make(order, size);
> s->min = oo_make(get_order(size), size);
> - if (oo_objects(s->oo) > oo_objects(s->max))
> - s->max = s->oo;
>
> return !!oo_objects(s->oo);
> }
