linux-kernel - Re: [PATCH 1/4] mm, memcontrol: avoid duplicated memcg enable check

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Message-ID: <Z040RS6-Kr8aImJg@google.com>
Date: Mon, 2 Dec 2024 22:27:17 +0000
From: Roman Gushchin <roman.gushchin@...ux.dev>
To: Kairui Song <kasong@...cent.com>
Cc: linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>,
	Chris Li <chrisl@...nel.org>, Hugh Dickins <hughd@...gle.com>,
	"Huang, Ying" <ying.huang@...el.com>,
	Yosry Ahmed <yosryahmed@...gle.com>,
	Shakeel Butt <shakeel.butt@...ux.dev>,
	Johannes Weiner <hannes@...xchg.org>,
	Barry Song <baohua@...nel.org>, Michal Hocko <mhocko@...nel.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] mm, memcontrol: avoid duplicated memcg enable check

On Tue, Dec 03, 2024 at 02:41:51AM +0800, Kairui Song wrote:
> From: Kairui Song <kasong@...cent.com>
> 
> mem_cgroup_uncharge_swap() implies a mem_cgroup_disabled() check,
> which is already checked by the caller here. Skip it by calling
> __mem_cgroup_uncharge_swap() directly.
> 
> Signed-off-by: Kairui Song <kasong@...cent.com>

Reviewed-by: Roman Gushchin <roman.gushchin@...ux.dev>

Thanks!