OVERFLOW_STACK_SIZE
per_cpu(overflow_stack_ptr, cpu) = &stack[OVERFLOW_STACK_SIZE];
ovf_stk - OVERFLOW_STACK_SIZE, ovf_stk);
#define NVHE_STACKTRACE_SIZE ((OVERFLOW_STACK_SIZE + NVHE_STACK_SIZE) / 2 + sizeof(long))
DECLARE_PER_CPU(unsigned long [OVERFLOW_STACK_SIZE/sizeof(long)], overflow_stack);
unsigned long high = low + OVERFLOW_STACK_SIZE;
DECLARE_KVM_NVHE_PER_CPU(unsigned long [OVERFLOW_STACK_SIZE/sizeof(long)], overflow_stack);
DEFINE_PER_CPU(unsigned long [OVERFLOW_STACK_SIZE/sizeof(long)], overflow_stack)
ovf_stk, ovf_stk + OVERFLOW_STACK_SIZE);
DEFINE_PER_CPU(unsigned long [OVERFLOW_STACK_SIZE/sizeof(long)], overflow_stack)
unsigned long high = low + OVERFLOW_STACK_SIZE;
unsigned long high = low + OVERFLOW_STACK_SIZE;
unsigned long high = low + OVERFLOW_STACK_SIZE;
DECLARE_PER_CPU(unsigned long [OVERFLOW_STACK_SIZE/sizeof(long)], overflow_stack);
DEFINE_PER_CPU(unsigned long [OVERFLOW_STACK_SIZE/sizeof(long)],
ovf_stk, ovf_stk + OVERFLOW_STACK_SIZE);