powerpc/64s/hash: Add stress_slb kernel boot option to increase SLB faults
[linux-2.6-block.git] / arch / powerpc / mm / book3s64 / internal.h
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82a1b8ed
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1/* SPDX-License-Identifier: GPL-2.0-or-later */
2#ifndef ARCH_POWERPC_MM_BOOK3S64_INTERNAL_H
3#define ARCH_POWERPC_MM_BOOK3S64_INTERNAL_H
4
5#include <linux/jump_label.h>
6
7extern bool stress_slb_enabled;
8
9DECLARE_STATIC_KEY_FALSE(stress_slb_key);
10
11static inline bool stress_slb(void)
12{
13 return static_branch_unlikely(&stress_slb_key);
14}
15
16#endif /* ARCH_POWERPC_MM_BOOK3S64_INTERNAL_H */