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Re: [PATCHv6 06/37] thp: handle write-protection faults for file THP

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  Re: [PATCHv6 06/37] thp: handle write-protection faults for file THP Matthew Wilcox <willy@infradead.org> - 2017-02-09 21:40 +0100

#1577942 — 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 <kirill.shutemov@linux.intel.com>
> Reviewed-by: Jan Kara <jack@suse.cz>

Reviewed-by: Matthew Wilcox <mawilcox@microsoft.com>

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