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| author |   Christoph Hellwig <hch@lst.de> | 2020-03-16 20:32:13 +0100 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@mellanox.com> | 2020-03-26 14:33:37 -0300 |
| commit | f894ddd5ff01d3bb48faf4dc533536bf5269c17a (patch) | |
| tree | 6e62359994be7d1e61aab32864b6cc399cbb09e5 /mm/migrate.c | |
| parent | mm: merge hmm_vma_do_fault into into hmm_vma_walk_hole_ (diff) | |
| download | linux-dev-f894ddd5ff01d3bb48faf4dc533536bf5269c17a.tar.xz linux-dev-f894ddd5ff01d3bb48faf4dc533536bf5269c17a.zip | |
memremap: add an owner field to struct dev_pagemap
Add a new opaque owner field to struct dev_pagemap, which will allow the
hmm and migrate_vma code to identify who owns ZONE_DEVICE memory, and
refuse to work on mappings not owned by the calling entity.
Link: https://lore.kernel.org/r/20200316193216.920734-2-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ralph Campbell <rcampbell@nvidia.com>
Tested-by: Bharata B Rao <bharata@linux.ibm.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'mm/migrate.c')
0 files changed, 0 insertions, 0 deletions