From: Shakeel Butt <shakeel.butt@linux.dev>
To: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Johannes Weiner <hannes@cmpxchg.org>,
Michal Hocko <mhocko@kernel.org>,
Muchun Song <muchun.song@linux.dev>
Subject: Re: [PATCH 2/2] mm: memcg: add cache line padding to mem_cgroup_per_node
Date: Mon, 1 Jul 2024 12:17:16 -0700 [thread overview]
Message-ID: <do4voq2q2ixruqfe4xydinkfvoxvv6mxw5homf75arwqxn2p5t@hqsar2jsm2wg> (raw)
In-Reply-To: <20240701185932.704807-2-roman.gushchin@linux.dev>
On Mon, Jul 01, 2024 at 06:59:32PM GMT, Roman Gushchin wrote:
> Memcg v1-specific fields serve a buffer function between read-mostly
> and update often parts of the mem_cgroup_per_node structure.
> If CONFIG_MEMCG_V1 is not set and these fields are not present,
> an explicit cacheline padding is needed.
>
> Suggested-by: Shakeel Butt <shakeel.butt@linux.dev>
> Signed-off-by: Roman Gushchin <roman.gushchin@linux.dev>
Acked-by: Shakeel Butt <shakeel.butt@linux.dev>
next prev parent reply other threads:[~2024-07-01 19:17 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-01 18:59 [PATCH 1/2] mm: memcg: drop obsolete cache line padding in struct mem_cgroup Roman Gushchin
2024-07-01 18:59 ` [PATCH 2/2] mm: memcg: add cache line padding to mem_cgroup_per_node Roman Gushchin
2024-07-01 19:17 ` Shakeel Butt [this message]
2024-07-01 19:16 ` [PATCH 1/2] mm: memcg: drop obsolete cache line padding in struct mem_cgroup Shakeel Butt
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