KSTK_TOP          149 include/asm-mn10300/processor.h        __regs__ = (struct pt_regs *) (KSTK_TOP(task_stack_page(task)) - 8); \
KSTK_TOP          874 include/asm-x86/processor.h        __regs__ = (struct pt_regs *)(KSTK_TOP(task_stack_page(task))-8); \