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d165f5d3ab
This structure will be used to store information about each CPU's topology (package ID, L3 cache ID, NUMA node ID etc). This will be used in conjunction with CPU affinity setting to try to perform a mostly optimal binding between threads and CPU numbers by default. Since it was noticed during tests that absolutely none of the many machines tested reports different die numbers, the die_id is not stored. Also, it was found along experiments that the cluster ID will be used a lot, half of the time as a node-local identifier, and half of the time as a global identifier. So let's store the two versions at once (cl_gid, cl_lid). Some flags are added to indicate causes of exclusion (offline, excluded at boot, excluded by rules, ignored by policy).