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 typedef u32 depot_stack_handle_t; 15 16 depot_stack_handle_t stack_depot_save(unsigned long *entries, 17 unsigned int nr_entries, gfp_t gfp_flags); 18 19 unsigned int stack_depot_fetch(depot_stack_handle_t handle, 20 unsigned long **entries); 21 22 #endif 23