Re: [PATCH 10/11] mm/page-writeback: Support tail pages in wait_for_stable_page

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To: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: Re: [PATCH 10/11] mm/page-writeback: Support tail pages in wait_for_stable_page
From: SeongJae Park <sjpark@xxxxxxxxxx>
Date: Tue, 15 Sep 2020 09:37:25 +0200
Cc: <linux-mm@xxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, "Kirill A . Shutemov" <kirill@xxxxxxxxxxxxx>, Huang Ying <ying.huang@xxxxxxxxx>
In-reply-to: <20200908195539.25896-11-willy@infradead.org>

On Tue,  8 Sep 2020 20:55:37 +0100 "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx> wrote:

> page->mapping is undefined for tail pages, so operate exclusively on
> the head page.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>

Reviewed-by: SeongJae Park <sjpark@xxxxxxxxx>


Thanks,
SeongJae Park

References:
- [PATCH 10/11] mm/page-writeback: Support tail pages in wait_for_stable_page
  - From: Matthew Wilcox (Oracle)

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