We've got: #if defined(CONFIG_SMP) && defined(CONFIG_64BIT) static char temp_stack[10240]; #endif and: #ifdef CONFIG_SMP stack_start.sp = temp_stack + 4096; #endif ..which suggests we use at most 4k of the stack? -- Mathematics is the supreme nostalgia of our time. -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html