1config 64BIT 2 bool 3 4config PHYS_ADDR_T_32 5 bool 6 7config NR_CPUS 8 int "Maximum number of CPUs" 9 range 1 16383 10 default "256" if X86 11 default "8" if ARM && RCAR3 12 default "4" if ARM && QEMU 13 default "4" if ARM && MPSOC 14 default "128" if ARM 15 help 16 Controls the build-time size of various arrays and bitmaps 17 associated with multiple-cpu management. It is the upper bound of 18 the number of logical entities the scheduler can run code on. 19 20 For CPU cores which support Simultaneous Multi-Threading or similar 21 technologies, this the number of logical threads which Xen will 22 support. 23 24config NR_NUMA_NODES 25 int "Maximum number of NUMA nodes supported" 26 range 2 64 27 default "64" 28 depends on NUMA 29 help 30 Controls the build-time size of various arrays and bitmaps 31 associated with multiple-nodes management. It is the upper bound of 32 the number of NUMA nodes that the scheduler, memory allocation and 33 other NUMA-aware components can handle. 34