Re: [PATCH] mm: memcontrol: fix slub memory accounting

From: Shakeel Butt
Date: Tue Feb 23 2021 - 10:23:16 EST


On Tue, Feb 23, 2021 at 1:25 AM Muchun Song <songmuchun@xxxxxxxxxxxxx> wrote:
>
> SLUB currently account kmalloc() and kmalloc_node() allocations larger
> than order-1 page per-node. But it forget to update the per-memcg
> vmstats. So it can lead to inaccurate statistics of "slab_unreclaimable"
> which is from memory.stat. Fix it by using mod_lruvec_page_state instead
> of mod_node_page_state.
>
> Fixes: 6a486c0ad4dc ("mm, sl[ou]b: improve memory accounting")
> Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>

Reviewed-by: Shakeel Butt <shakeelb@xxxxxxxxxx>