On 11/23/18 1:13 PM, Dan Williams wrote: >> A new system call makes total sense to me. I have the same concern >> about the completeness of what's exposed in sysfs, I just don't see a >> _route_ to completeness with sysfs itself. Thus, the minimalist >> approach as a first step. > Outside of platform-firmware-id to Linux-numa-node-id what other > userspace API infrastructure does the kernel need to provide? It seems > userspace enumeration of memory attributes is fully enabled once the > firmware-to-Linux identification is established. It would be nice not to have each app need to know about each specific platform's firmware.