util: fix (re-enable) L3 cache pinning and some cleanup
cores_per_L3 was uninitialized, so it was always disabled. Remove the variable and do it differently.
Fixes: 11d2db17 - util: rework AMD cpu L3 cache affinity code.
cores_per_L3 was uninitialized, so it was always disabled. Remove the variable and do it differently.
Fixes: 11d2db17 - util: rework AMD cpu L3 cache affinity code.