[PATCH 1/4] 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. Signed-off-by: Christoph Hellwig --- arch/powerpc/kvm/book3s_hv_uvmem.c | 2 ++ drivers/g

Re: [PATCH 1/4] memremap: add an owner field to struct dev_pagemap

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