Re: [PATCH 5/5] mm/swap: simplify the code of find_get_incore_page()

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To: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Subject: Re: [PATCH 5/5] mm/swap: simplify the code of find_get_incore_page()
From: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Date: Tue, 18 May 2021 15:33:54 +0100
Cc: akpm@xxxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx
In-reply-to: <20210518135352.3705306-6-linmiaohe@huawei.com>
References: <20210518135352.3705306-1-linmiaohe@huawei.com> <20210518135352.3705306-6-linmiaohe@huawei.com>

On Tue, May 18, 2021 at 09:53:52PM +0800, Miaohe Lin wrote:
> pagecache_get_page() can do find_subpage() for us if we do not specify
> FGP_HEAD. No functional change intended.

Please, no.  This interferes with the folio work.

Follow-Ups:
- Re: [PATCH 5/5] mm/swap: simplify the code of find_get_incore_page()
  - From: Andrew Morton

References:
- [PATCH 0/5] Cleanups for swap
  - From: Miaohe Lin
- [PATCH 5/5] mm/swap: simplify the code of find_get_incore_page()
  - From: Miaohe Lin

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