Re: [PATCH v2 05/21] mm/memcontrol: remove CONFIG_SLAB #ifdef guards

Hyeonggon Yoo
2023-12-06T08:13:15Z

On Mon, Nov 20, 2023 at 07:34:16PM +0100, Vlastimil Babka wrote:
> With SLAB removed, these are never true anymore so we can clean up.
>
> Reviewed-by: Kees Cook <keescook@chromium.org>
> Acked-by: Michal Hocko <mhocko@suse.com>
> Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
> ---
> mm/memcontrol.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index 774bd6e21e27..947fb50eba31 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -5149,7 +5149,7 @@ static ssize_t memcg_write_event_control(struct kernfs_open_file *of,
> return ret;
> }
>
> -#if defined(CONFIG_MEMCG_KMEM) && (defined(CONFIG_SLAB) || defined(CONFIG_SLUB_DEBUG))
> +#if defined(CONFIG_MEMCG_KMEM) && defined(CONFIG_SLUB_DEBUG)
> static int mem_cgroup_slab_show(struct seq_file *m, void *p)
> {
> /*
> @@ -5258,8 +5258,7 @@ static struct cftype mem_cgroup_legacy_files[] = {
> .write = mem_cgroup_reset,
> .read_u64 = mem_cgroup_read_u64,
> },
> -#if defined(CONFIG_MEMCG_KMEM) && \
> - (defined(CONFIG_SLAB) || defined(CONFIG_SLUB_DEBUG))
> +#if defined(CONFIG_MEMCG_KMEM) && defined(CONFIG_SLUB_DEBUG)
> {
> .name = "kmem.slabinfo",
> .seq_show = mem_cgroup_slab_show,

Looks good to me,
Reviewed-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>

>
> --
> 2.42.1
>
>