From: Harry Yoo <harry@kernel.org>
To: Shakeel Butt <shakeel.butt@linux.dev>
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>, Tejun Heo <tj@kernel.org>,
Meta kernel team <kernel-team@meta.com>,
cgroups@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH for-7.5 1/5] memcg: move memory.high enforcement out of try_charge_memcg()
Date: Mon, 12 Oct 2026 14:22:40 +0100 [thread overview]
Message-ID: <aszdXDpqLUX1S4Qq@thinkstation> (raw)
In-Reply-To: <20261010210957.1350874-2-shakeel.butt@linux.dev>
On Sat, Oct 10, 2026 at 02:09:53PM -0700, Shakeel Butt wrote:
> try_charge_memcg() does a lot. It charges the page counters, reclaims
> when a limit is hit, may call the OOM killer, and at the end it checks
> and enforces memory.high. Move the memory.high part into a new function,
> memcg_enforce_high(), so that try_charge_memcg() is shorter and the
> memory.high code is easier to read and change.
>
> The code and its comments move as they are. The only difference is that
> the new function gets allow_spinning from gfp_mask itself.
>
> No functional change.
> ---
Missing Signed-off-by: ?
Otherwise LGTM.
Reviewed-by: Harry Yoo (Meta) <harry@kernel.org>
--
Cheers,
Harry / Hyeonggon
next prev parent reply other threads:[~2026-10-12 13:22 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-10 21:09 [PATCH for-7.5 0/5] memcg: clean up memory.high enforcement Shakeel Butt
2026-10-10 21:09 ` [PATCH for-7.5 1/5] memcg: move memory.high enforcement out of try_charge_memcg() Shakeel Butt
2026-10-12 13:22 ` Harry Yoo [this message]
2026-10-12 17:13 ` Shakeel Butt
2026-10-10 21:09 ` [PATCH for-7.5 2/5] memcg: use high_work for kernel threads Shakeel Butt
2026-10-10 21:09 ` [PATCH for-7.5 3/5] memcg: use high_work for remote charges Shakeel Butt
2026-10-10 21:09 ` [PATCH for-7.5 4/5] memcg: avoid queuing high_work from reclaim Shakeel Butt
2026-10-10 21:09 ` [PATCH for-7.5 5/5] memcg: simplify high limit handling after a charge Shakeel Butt
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