Re: [PATCH 2/5] mm: gup: add __get_user_pages_unlocked to customize gup_flags

From: Peter Feiner
Date: Fri Oct 31 2014 - 15:15:11 EST


On Wed, Oct 29, 2014 at 05:35:17PM +0100, Andrea Arcangeli wrote:
> Some caller (like KVM) may want to set the gup_flags like
> FOLL_HWPOSION to get a proper -EHWPOSION retval instead of -EFAULT to
> take a more appropriate action if get_user_pages runs into a memory
> failure.
>
> Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Reviewed-by: Peter Feiner <pfeiner@xxxxxxxxxx>
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