Re: [PATCH 2/2] mm: vmpressure: use mem_cgroup_is_root API

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To: Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx>
Subject: Re: [PATCH 2/2] mm: vmpressure: use mem_cgroup_is_root API
From: David Rientjes <rientjes@xxxxxxxxxx>
Date: Tue, 11 Feb 2020 18:08:39 -0800 (PST)
Cc: akpm@xxxxxxxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <1581398649-125989-2-git-send-email-yang.shi@linux.alibaba.com>
References: <1581398649-125989-1-git-send-email-yang.shi@linux.alibaba.com> <1581398649-125989-2-git-send-email-yang.shi@linux.alibaba.com>
User-agent: Alpine 2.21 (DEB 202 2017-01-01)

On Tue, 11 Feb 2020, Yang Shi wrote:

> Use mem_cgroup_is_root() API to check if memcg is root memcg instead of
> open coding.
> 
> Signed-off-by: Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx>

Acked-by: David Rientjes <rientjes@xxxxxxxxxx>

References:
- [PATCH 1/2] mm: vmpressure: don't need call kfree if kstrndup fails
  - From: Yang Shi
- [PATCH 2/2] mm: vmpressure: use mem_cgroup_is_root API
  - From: Yang Shi

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