Re: [PATCH v4 1/5] mm: Fix invalid page pointer returned with FOLL_PIN gups

From: Christoph Hellwig
Date: Fri Feb 04 2022 - 02:25:41 EST


On Thu, Feb 03, 2022 at 06:00:06PM -0800, John Hubbard wrote:
> From: Peter Xu <peterx@xxxxxxxxxx>
>
> Alex reported invalid page pointer returned with pin_user_pages_remote() from
> vfio after upstream commit 4b6c33b32296 ("vfio/type1: Prepare for batched
> pinning with struct vfio_batch").

This commit message uses overly long lines all over.

Otherwise looks good:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>