Re: [PATCH v1 02/11] mm: thp: consolidate mapcount logic on THP split

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To: David Hildenbrand <david@xxxxxxxxxx>
Subject: Re: [PATCH v1 02/11] mm: thp: consolidate mapcount logic on THP split
From: "Kirill A. Shutemov" <kirill@xxxxxxxxxxxxx>
Date: Sat, 18 Dec 2021 17:24:10 +0300
Cc: linux-kernel@xxxxxxxxxxxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Hugh Dickins <hughd@xxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, David Rientjes <rientjes@xxxxxxxxxx>, Shakeel Butt <shakeelb@xxxxxxxxxx>, John Hubbard <jhubbard@xxxxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxxxx>, Mike Kravetz <mike.kravetz@xxxxxxxxxx>, Mike Rapoport <rppt@xxxxxxxxxxxxx>, Yang Shi <shy828301@xxxxxxxxx>, "Kirill A . Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Vlastimil Babka <vbabka@xxxxxxx>, Jann Horn <jannh@xxxxxxxxxx>, Michal Hocko <mhocko@xxxxxxxxxx>, Nadav Amit <namit@xxxxxxxxxx>, Rik van Riel <riel@xxxxxxxxxxx>, Roman Gushchin <guro@xxxxxx>, Andrea Arcangeli <aarcange@xxxxxxxxxx>, Peter Xu <peterx@xxxxxxxxxx>, Donald Dutile <ddutile@xxxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, Oleg Nesterov <oleg@xxxxxxxxxx>, Jan Kara <jack@xxxxxxx>, linux-mm@xxxxxxxxx, linux-kselftest@xxxxxxxxxxxxxxx, linux-doc@xxxxxxxxxxxxxxx
In-reply-to: <20211217113049.23850-3-david@redhat.com>

On Fri, Dec 17, 2021 at 12:30:40PM +0100, David Hildenbrand wrote:
> Let's consolidate the mapcount logic to make it easier to understand and
> to prepare for further changes.
> 
> Reviewed-by: Peter Xu <peterx@xxxxxxxxxx>
> Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>

Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>

-- 
 Kirill A. Shutemov

References:
- [PATCH v1 00/11] mm: COW fixes part 1: fix the COW security issue for THP and hugetlb
  - From: David Hildenbrand
- [PATCH v1 02/11] mm: thp: consolidate mapcount logic on THP split
  - From: David Hildenbrand

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