Re: [PATCH v2 16/16] mm/huge_memory: use helper macro IS_ERR_OR_NULL in split_huge_pages_pid

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To: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Subject: Re: [PATCH v2 16/16] mm/huge_memory: use helper macro IS_ERR_OR_NULL in split_huge_pages_pid
From: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Date: Tue, 28 Jun 2022 22:54:53 +0800
Cc: akpm@xxxxxxxxxxxxxxxxxxxx, shy828301@xxxxxxxxx, willy@xxxxxxxxxxxxx, zokeefe@xxxxxxxxxx, linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20220628132835.8925-17-linmiaohe@huawei.com>
References: <20220628132835.8925-1-linmiaohe@huawei.com> <20220628132835.8925-17-linmiaohe@huawei.com>

On Tue, Jun 28, 2022 at 09:28:35PM +0800, Miaohe Lin wrote:
> Use helper macro IS_ERR_OR_NULL to check the validity of page to simplify
> the code. Minor readability improvement.
> 
> Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>

Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>

Thanks.

References:
- [PATCH v2 00/16] A few cleanup patches for huge_memory
  - From: Miaohe Lin
- [PATCH v2 16/16] mm/huge_memory: use helper macro IS_ERR_OR_NULL in split_huge_pages_pid
  - From: Miaohe Lin

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