/* * Provide a default dump_stack() function for architectures * which don't implement their own. */ #include <linux/kernel.h>#include <linux/export.h>#include <linux/sched.h> /** * dump_stack - dump the current task information and its stack trace * * Architectures can override this implementation by implementing its own. */void dump_stack(void){	dump_stack_print_info(KERN_DEFAULT);	show_stack(NULL, NULL);}EXPORT_SYMBOL(dump_stack);