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Date:   Thu, 9 Feb 2017 12:19:09 -0800
From:   Matthew Wilcox <>
To:     "Kirill A. Shutemov" <>
Cc:     Theodore Ts'o <>,
        Andreas Dilger <>,
        Jan Kara <>,
        Andrew Morton <>,
        Alexander Viro <>,
        Hugh Dickins <>,
        Andrea Arcangeli <>,
        Dave Hansen <>,
        Vlastimil Babka <>,
        Ross Zwisler <>,,,,,
Subject: Re: [PATCHv6 06/37] thp: handle write-protection faults for file THP

On Thu, Jan 26, 2017 at 02:57:48PM +0300, Kirill A. Shutemov wrote:
> For filesystems that wants to be write-notified (has mkwrite), we will
> encount write-protection faults for huge PMDs in shared mappings.
> The easiest way to handle them is to clear the PMD and let it refault as
> wriable.
> Signed-off-by: Kirill A. Shutemov <>
> Reviewed-by: Jan Kara <>

Reviewed-by: Matthew Wilcox <>

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