Messages in this thread | | | Date | Thu, 13 Aug 2020 08:33:37 +0100 | From | Christoph Hellwig <> | Subject | Re: [PATCH v4 2/2] xen: add helpers to allocate unpopulated memory |
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On Tue, Aug 11, 2020 at 11:44:47AM +0200, Roger Pau Monne wrote: > If enabled (because ZONE_DEVICE is supported) the usage of the new > functionality untangles Xen balloon and RAM hotplug from the usage of > unpopulated physical memory ranges to map foreign pages, which is the > correct thing to do in order to avoid mappings of foreign pages depend > on memory hotplug.
So please just select ZONE_DEVICE if this is so much better rather than maintaining two variants.
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