[0/2] xen: fix using ZONE_DEVICE memory for foreign mappings

Message

Jürgen Groß Dec. 7, 2020, 1:30 p.m. UTC

Fix an issue found in dom0 when running on a host with NVMe.

Juergen Gross (2):
  xen: add helpers for caching grant mapping pages
  xen: don't use page->lru for ZONE_DEVICE memory

 drivers/block/xen-blkback/blkback.c |  89 ++++----------------
 drivers/block/xen-blkback/common.h  |   4 +-
 drivers/block/xen-blkback/xenbus.c  |   6 +-
 drivers/xen/grant-table.c           | 123 ++++++++++++++++++++++++++++
 drivers/xen/unpopulated-alloc.c     |  20 +++--
 drivers/xen/xen-scsiback.c          |  60 +++-----------
 include/xen/grant_table.h           |  17 ++++
 7 files changed, 182 insertions(+), 137 deletions(-)