On Thu, Jan 17, 2019 at 4:11 AM Rafael J. Wysocki <rafael@xxxxxxxxxx> wrote: > > On Wed, Jan 16, 2019 at 6:59 PM Keith Busch <keith.busch@xxxxxxxxx> wrote: > > > > If the HMAT Subsystem Address Range provides a valid processor proximity > > domain for a memory domain, or a processor domain with the highest > > performing access exists, register the memory target with that initiator > > so this relationship will be visible under the node's sysfs directory. > > > > Since HMAT requires valid address ranges have an equivalent SRAT entry, > > verify each memory target satisfies this requirement. > > What exactly will happen after this patch? > > There will be some new directories under > /sys/devices/system/node/nodeX/ if all goes well. Anything else? When / if the memory randomization series [1] makes its way upstream there will be a follow-on patch to enable that randomization based on the presence of a memory-side cache published in the HMAT. [1]: https://lwn.net/Articles/767614/
