Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * A generic stack depot implementation
4 *
5 * Author: Alexander Potapenko <glider@google.com>
6 * Copyright (C) 2016 Google, Inc.
7 *
8 * Based on code by Dmitry Chernenkov.
9 */
10
11#ifndef _LINUX_STACKDEPOT_H
12#define _LINUX_STACKDEPOT_H
13
14#include <linux/gfp.h>
15
16typedef u32 depot_stack_handle_t;
17
18depot_stack_handle_t __stack_depot_save(unsigned long *entries,
19 unsigned int nr_entries,
20 gfp_t gfp_flags, bool can_alloc);
21
22depot_stack_handle_t stack_depot_save(unsigned long *entries,
23 unsigned int nr_entries, gfp_t gfp_flags);
24
25unsigned int stack_depot_fetch(depot_stack_handle_t handle,
26 unsigned long **entries);
27
28int stack_depot_snprint(depot_stack_handle_t handle, char *buf, size_t size,
29 int spaces);
30
31void stack_depot_print(depot_stack_handle_t stack);
32
33#ifdef CONFIG_STACKDEPOT
34int stack_depot_init(void);
35#else
36static inline int stack_depot_init(void)
37{
38 return 0;
39}
40#endif /* CONFIG_STACKDEPOT */
41
42#endif