Re: [PATCH 1/9] memcg: remove root memcg check from refill_stock

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To: Shakeel Butt <shakeel.butt@xxxxxxxxx>
Subject: Re: [PATCH 1/9] memcg: remove root memcg check from refill_stock
From: Roman Gushchin <roman.gushchin@xxxxxxxxx>
Date: Tue, 18 Mar 2025 00:39:36 +0000
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Johannes Weiner <hannes@xxxxxxxxxxx>, Michal Hocko <mhocko@xxxxxxxxxx>, Muchun Song <muchun.song@xxxxxxxxx>, Vlastimil Babka <vbabka@xxxxxxx>, Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>, linux-mm@xxxxxxxxx, cgroups@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Meta kernel team <kernel-team@xxxxxxxx>
In-reply-to: <20250315174930.1769599-2-shakeel.butt@linux.dev>
References: <20250315174930.1769599-1-shakeel.butt@linux.dev> <20250315174930.1769599-2-shakeel.butt@linux.dev>

On Sat, Mar 15, 2025 at 10:49:22AM -0700, Shakeel Butt wrote:
> refill_stock can not be called with root memcg, so there is no need to
> check it.
> 
> Signed-off-by: Shakeel Butt <shakeel.butt@xxxxxxxxx>

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

References:
- [PATCH 0/9] memcg: cleanup per-cpu stock
  - From: Shakeel Butt
- [PATCH 1/9] memcg: remove root memcg check from refill_stock
  - From: Shakeel Butt

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