arch_alloc_vmap_stack
p = arch_alloc_vmap_stack(THREAD_SIZE, NUMA_NO_NODE);
p = arch_alloc_vmap_stack(IRQ_STACK_SIZE, early_cpu_to_node(cpu));
p = arch_alloc_vmap_stack(SDEI_STACK_SIZE, cpu_to_node(cpu));
p = arch_alloc_vmap_stack(IRQ_STACK_SIZE, cpu_to_node(cpu));