> > Make it easy for the user to tell if Sub-NUMA Cluster is enabled by > > providing an info/ file. > > I think what this is conveying to user-space is 'domain_id_is_numa_node'. That seems more architecturally neutral. I like it. > Does user-space need to know the number of ways? I don't know. Maybe some might. Perhaps there is some better name that is architecturally neutral, but still has a numerical rather than boolean value? > Will this always be a single number, or will it ever be possible to have an SNC=2 and > SNC=1 package in the same system? I sincerely hope that it is the same value across the system. Currently the BIOS setup option to enable SNC doesn't have per-socket choices, it is just an all-or-nothing choice. "2" isn't the only choice for number of SNC nodes on a socket. "4" is (or will be) a choice. -Tony