[PATCH 14/14] mm: turn on vm_fault_t type checking

[Matthew Wilcox]

On Wed, May 16, 2018 at 07:43:48AM +0200, Christoph Hellwig wrote:
> Switch vm_fault_t to point to an unsigned int with __bіtwise annotations.
> This both catches any old ->fault or ->page_mkwrite instance with plain
> compiler type checking, as well as finding more intricate problems with
> sparse.

Come on, Christoph; you know better than this.  This patch is completely
unreviewable.  Split it into one patch per maintainer tree, and in any
event, the patch to convert vm_fault_t to an unsigned int should be
separated from all the trivial conversions.