Re: [PATCH 5/5] mm: gup: kvm use get_user_pages_unlocked

From: Kirill A. Shutemov
Date: Fri Jan 16 2015 - 08:03:53 EST


On Tue, Jan 13, 2015 at 05:37:54PM +0100, Andrea Arcangeli wrote:
> Use the more generic get_user_pages_unlocked which has the additional
> benefit of passing FAULT_FLAG_ALLOW_RETRY at the very first page fault
> (which allows the first page fault in an unmapped area to be always
> able to block indefinitely by being allowed to release the mmap_sem).
>
> Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx>

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