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Date:   Thu, 10 Jun 2021 10:31:06 -0400
From:   Peter Xu <peterx@...hat.com>
To:     Hugh Dickins <hughd@...gle.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Yang Shi <shy828301@...il.com>,
        Wang Yugui <wangyugui@...-tech.com>,
        Matthew Wilcox <willy@...radead.org>,
        Alistair Popple <apopple@...dia.com>,
        Ralph Campbell <rcampbell@...dia.com>, Zi Yan <ziy@...dia.com>,
        Will Deacon <will@...nel.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 04/11] mm: page_vma_mapped_walk(): use pmde for *pvmw->pmd

On Wed, Jun 09, 2021 at 11:40:08PM -0700, Hugh Dickins wrote:
> page_vma_mapped_walk() cleanup: re-evaluate pmde after taking lock, then
> use it in subsequent tests, instead of repeatedly dereferencing pointer.
> 
> Signed-off-by: Hugh Dickins <hughd@...gle.com>
> Cc: <stable@...r.kernel.org>

Reviewed-by: Peter Xu <peterx@...hat.com>

-- 
Peter Xu

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