| Subject | Re: [HMM v14 05/16] mm/ZONE_DEVICE/unaddressable: add support for un-addressable device memory | From | Dave Hansen <> | Date | Thu, 8 Dec 2016 08:21:28 -0800 |
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On 12/08/2016 08:39 AM, Jérôme Glisse wrote: > Architecture that wish to support un-addressable device memory should make > sure to never populate the kernel linar mapping for the physical range.
Does the platform somehow provide a range of physical addresses for this unaddressable area? How do we know no memory will be hot-added in a range we're using for unaddressable device memory, for instance?
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