#ifndef __LINUX_STACKTRACE_H
#define __LINUX_STACKTRACE_H
#ifdef CONFIG_STACKTRACE
struct stack_trace {
unsigned int nr_entries, max_entries;
unsigned long *entries;
int skip; /* input argument: How many entries to skip */
};
extern void save_stack_trace(struct stack_trace *trace);
extern void print_stack_trace(struct stack_trace *trace, int spaces);
#else
# define save_stack_trace(trace) do { } while (0)
# define print_stack_trace(trace, spaces) do { } while (0)
#endif