From: Shakeel Butt <shakeel.butt@linux.dev>
To: Alexandre Ghiti <alex@ghiti.fr>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Michal Hocko <mhocko@kernel.org>,
Roman Gushchin <roman.gushchin@linux.dev>,
Muchun Song <muchun.song@linux.dev>,
Dennis Zhou <dennis@kernel.org>, Tejun Heo <tj@kernel.org>,
Christoph Lameter <cl@gentwo.org>,
Vlastimil Babka <vbabka@kernel.org>,
Yosry Ahmed <yosry@kernel.org>, Nhat Pham <nphamcs@gmail.com>,
Sergey Senozhatsky <senozhatsky@chromium.org>,
Chengming Zhou <chengming.zhou@linux.dev>,
Suren Baghdasaryan <surenb@google.com>,
Qi Zheng <qi.zheng@linux.dev>,
David Hildenbrand <david@kernel.org>,
Lorenzo Stoakes <ljs@kernel.org>,
Minchan Kim <minchan@kernel.org>,
Mike Rapoport <rppt@kernel.org>,
Axel Rasmussen <axelrasmussen@google.com>,
Barry Song <baohua@kernel.org>, Kairui Song <kasong@tencent.com>,
Wei Xu <weixugc@google.com>, Yuanchu Xie <yuanchu@google.com>,
"Liam R . Howlett" <Liam.Howlett@oracle.com>,
Joshua Hahn <joshua.hahnjy@gmail.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
cgroups@vger.kernel.org
Subject: Re: [PATCH 1/8] mm: memcontrol: propagate NMI slab stats to memcg vmstats
Date: Tue, 12 May 2026 09:08:12 -0700 [thread overview]
Message-ID: <agNQNMl6TySHF4_8@linux.dev> (raw)
In-Reply-To: <agJYrraKk_wbHe07@linux.dev>
On Mon, May 11, 2026 at 03:49:36PM -0700, Shakeel Butt wrote:
> On Mon, May 11, 2026 at 10:20:36PM +0200, Alexandre Ghiti wrote:
> > flush_nmi_stats() drains per-node NMI slab atomics into the per-node
> > lruvec_stats, but does not propagate them to the memcg-level vmstats.
> >
> > This is inconsistent with account_slab_nmi_safe() which updates both,
>
[...]
>
> > so fix this by propagating the NMI slab stats to the memcg-level vmstats.
> >
> > Fixes: 940b01fc8dc1 ("memcg: nmi safe memcg stats for specific archs")
> > Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Please resend this patch as independent patch and CC stable.
next prev parent reply other threads:[~2026-05-12 16:08 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-11 20:20 [PATCH 0/8] per-memcg-per-node kmem accounting Alexandre Ghiti
2026-05-11 20:20 ` [PATCH 1/8] mm: memcontrol: propagate NMI slab stats to memcg vmstats Alexandre Ghiti
2026-05-11 22:49 ` Shakeel Butt
2026-05-12 16:08 ` Shakeel Butt [this message]
2026-05-11 20:20 ` [PATCH 2/8] mm: percpu: charge obj_exts allocation with __GFP_ACCOUNT Alexandre Ghiti
2026-05-11 20:20 ` [PATCH 3/8] mm: percpu: Split memcg charging and kmem accounting Alexandre Ghiti
2026-05-11 20:20 ` [PATCH 4/8] mm: memcontrol: track MEMCG_KMEM per NUMA node Alexandre Ghiti
2026-05-11 20:20 ` [PATCH 5/8] mm: memcontrol: per-node kmem accounting for page charges Alexandre Ghiti
2026-05-11 20:20 ` [PATCH 6/8] mm: slab: per-node kmem accounting for slab Alexandre Ghiti
2026-05-11 20:20 ` [PATCH 7/8] mm: percpu: per-node kmem accounting using local credit Alexandre Ghiti
2026-05-11 20:20 ` [PATCH 8/8] mm: zswap: per-node kmem accounting for zswap/zsmalloc Alexandre Ghiti
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