Re: [PATCH] mremap: take anon_vma lock in shared mode

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On 10/28/2014 10:40 AM, Kirill A. Shutemov wrote:
There's no modification to anon_vma interval tree. We only need to
serialize against exclusive rmap walker who want s to catch all ptes the
page is mapped with. Shared lock is enough for that.

Suggested-by: Davidlohr Bueso <dbueso@xxxxxxx>
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>

Acked-by: Rik van Riel <riel@xxxxxxxxxx>

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