Messages in this thread | | | From | Logan Gunthorpe <> | Date | Sat, 15 Apr 2017 22:46:25 -0600 | Subject | Re: [RFC 0/8] Copy Offload with Peer-to-Peer PCI Memory |
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On 15/04/17 09:01 PM, Benjamin Herrenschmidt wrote: > Are ZONE_DEVICE pages identifiable based on the struct page alone ? (a > flag ?)
Well you can't use ZONE_DEVICE as an indicator. They may be regular RAM, (eg. pmem). It would need a separate flag indicating it is backed by iomem.
Logan
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