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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* A generic stack depot implementation
*
* Author: Alexander Potapenko <glider@google.com>
* Copyright (C) 2016 Google, Inc.
*
* Based on code by Dmitry Chernenkov.
*/
#ifndef _LINUX_STACKDEPOT_H
#define _LINUX_STACKDEPOT_H
typedef u32 depot_stack_handle_t;
depot_stack_handle_t stack_depot_save(unsigned long *entries,
unsigned int nr_entries, gfp_t gfp_flags);
unsigned int stack_depot_fetch(depot_stack_handle_t handle,
unsigned long **entries);
unsigned int filter_irq_stacks(unsigned long *entries, unsigned int nr_entries);
#ifdef CONFIG_STACKDEPOT
int stack_depot_init(void);
#else
static inline int stack_depot_init(void)
{
return 0;
}
#endif /* CONFIG_STACKDEPOT */
#endif
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