On Sun, Dec 17, 2017 at 10:51:56AM -0800, Dan Williams wrote:
On Fri, Dec 15, 2017 at 6:09 AM, Christoph Hellwig <hch(a)lst.de>
> From: Logan Gunthorpe <logang(a)deltatee.com>
> This new interface is similar to how struct device (and many others)
> work. The caller initializes a 'struct dev_pagemap' as required
> and calls 'devm_memremap_pages'. This allows the pagemap structure to
> be embedded in another structure and thus container_of can be used. In
> this way application specific members can be stored in a containing
> This will be used by the P2P infrastructure and HMM could probably
> be cleaned up to use it as well (instead of having it's own, similar
> 'hmm_devmem_pages_create' function).
> Signed-off-by: Logan Gunthorpe <logang(a)deltatee.com>
> Signed-off-by: Christoph Hellwig <hch(a)lst.de>
Looks good, I notice that this does not initialize pgmap->type to
MEMORY_DEVICE_HOST, but since that value is zero and likely won't
change we're ok.
I'll add it jut for clarity.