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-rw-r--r--include/linux/stacktrace.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/stacktrace.h b/include/linux/stacktrace.h
new file mode 100644
index 00000000000..9cc81e57222
--- /dev/null
+++ b/include/linux/stacktrace.h
@@ -0,0 +1,20 @@
1#ifndef __LINUX_STACKTRACE_H
2#define __LINUX_STACKTRACE_H
3
4#ifdef CONFIG_STACKTRACE
5struct stack_trace {
6 unsigned int nr_entries, max_entries;
7 unsigned long *entries;
8};
9
10extern void save_stack_trace(struct stack_trace *trace,
11 struct task_struct *task, int all_contexts,
12 unsigned int skip);
13
14extern void print_stack_trace(struct stack_trace *trace, int spaces);
15#else
16# define save_stack_trace(trace, task, all, skip) do { } while (0)
17# define print_stack_trace(trace) do { } while (0)
18#endif
19
20#endif