On Fri, Dec 15, 2017 at 6:09 AM, Christoph Hellwig <hch@xxxxxx> wrote: > From: Logan Gunthorpe <logang@xxxxxxxxxxxx> > > 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 > struct. > > 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@xxxxxxxxxxxx> > Signed-off-by: Christoph Hellwig <hch@xxxxxx> 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. Reviewed-by: Dan Williams <dan.j.williams@xxxxxxxxx> -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
