Re: [PATCH v3 4/4] mm: memcontrol: move PageMemcgKmem to the scope of CONFIG_MEMCG_KMEM

[Johannes Weiner]

On Tue, Mar 09, 2021 at 06:07:17PM +0800, Muchun Song wrote:
> The page only can be marked as kmem when CONFIG_MEMCG_KMEM is enabled.
> So move PageMemcgKmem() to the scope of the CONFIG_MEMCG_KMEM.
> 
> As a bonus, on !CONFIG_MEMCG_KMEM build some code can be compiled out.
> 
> Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>

Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>