irq_stack_high 513 arch/mips/kernel/process.c unsigned long low, high, irq_stack_high; irq_stack_high 529 arch/mips/kernel/process.c irq_stack_high = high; irq_stack_high 532 arch/mips/kernel/process.c irq_stack_high = 0; irq_stack_high 539 arch/mips/kernel/process.c if (unlikely(*sp == irq_stack_high)) {