https://github.com/torvalds/linux
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Tip revision: fdf0eaf11452d72945af31804e2a1048ee1b574c authored by Linus Torvalds on 16 July 2023, 22:10:37 UTC
Linux 6.5-rc2
Tip revision: fdf0eaf
tracepoint.c
// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (C) 2013 Seiji Aguchi <seiji.aguchi@hds.com>
 */
#include <linux/jump_label.h>
#include <linux/atomic.h>

#include <asm/trace/exceptions.h>

DEFINE_STATIC_KEY_FALSE(trace_pagefault_key);

int trace_pagefault_reg(void)
{
	static_branch_inc(&trace_pagefault_key);
	return 0;
}

void trace_pagefault_unreg(void)
{
	static_branch_dec(&trace_pagefault_key);
}
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