[PATCH v2 0/9] mm: PG_reserved cleanups and documentation

[Christoph Hellwig]

On Mon, Jan 14, 2019 at 01:58:54PM +0100, David Hildenbrand wrote:
> Nothing major changed since the last version. I would be happy about
> additional ACKs. If there are no further comments, can this go via the
> mm-tree in one chunk?
> 
> I was recently going over all users of PG_reserved. Short story: it is
> difficult and sometimes not really clear if setting/checking for
> PG_reserved is only a relict from the past. Easy to break things. I
> guess I now have a pretty good idea wh things are like that
> nowadays and how they evolved.

Any reason you skipped

drivers/gpu/drm/drm_pci.c:drm_pci_alloc()

and 

drivers/gpu/drm/drm_scatter.c:drm_legacy_sg_alloc()

which both look completely bogus as-is?

In fact we should probably just try to kill them off as they have
very few users left.