From: Johannes Weiner <hannes@cmpxchg.org>
To: Guopeng Zhang <guopeng.zhang@linux.dev>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Shakeel Butt <shakeel.butt@linux.dev>,
Michal Hocko <mhocko@kernel.org>,
Roman Gushchin <roman.gushchin@linux.dev>,
Muchun Song <muchun.song@linux.dev>,
cgroups@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org,
Guopeng Zhang <zhangguopeng@kylinos.cn>
Subject: Re: [PATCH] mm: memcontrol: drop unused cpu argument from flush_nmi_stats
Date: Mon, 13 Jul 2026 07:40:47 -0400 [thread overview]
Message-ID: <20260713114047.GJ276793@cmpxchg.org> (raw)
In-Reply-To: <20260713090010.2991906-1-guopeng.zhang@linux.dev>
On Mon, Jul 13, 2026 at 05:00:10PM +0800, Guopeng Zhang wrote:
> From: Guopeng Zhang <zhangguopeng@kylinos.cn>
>
> flush_nmi_stats() does not use its cpu argument. Remove it from the
> function and its !CONFIG_MEMCG_NMI_SAFETY_REQUIRES_ATOMIC stub. The
> caller still uses cpu for the subsequent per-CPU rstat flush.
>
> No functional change.
>
> Signed-off-by: Guopeng Zhang <zhangguopeng@kylinos.cn>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
next prev parent reply other threads:[~2026-07-13 11:40 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-13 9:00 [PATCH] mm: memcontrol: drop unused cpu argument from flush_nmi_stats Guopeng Zhang
2026-07-13 10:09 ` Michal Hocko
2026-07-13 11:40 ` Johannes Weiner [this message]
2026-07-13 12:31 ` Muchun Song
2026-07-14 20:01 ` Shakeel Butt
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