On Thu, 2017-07-13 at 17:15 -0400, Jérôme Glisse wrote:
> HMM pages (private or public device pages) are ZONE_DEVICE page and
> thus you can not use page->lru fields of those pages. This patch
> re-arrange the uncharge to allow single page to be uncharge without
> modifying the lru field of the struct page.
> There is no change to memcontrol logic, it is the same as it was
> before this patch.
> Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
> Cc: Johannes Weiner <han...@cmpxchg.org>
> Cc: Michal Hocko <mho...@kernel.org>
> Cc: Vladimir Davydov <vdavydov....@gmail.com>
> Cc: cgro...@vger.kernel.org
Acked-by: Balbir Singh <bsinghar...@gmail.com>