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.
Signed-off-by: Christoph Hellwig
---
arch/powerpc/kvm/book3s_hv_uvmem.c | 2 ++
drivers/g
On 3/16/20 12:32 PM, Christoph Hellwig wrote:
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.
Signed-off-by: Christoph Hellwig
This look