Merge "rq_stats: Compilation error fix for 32bit kernel"

/* Copyright (c) 2010-2015, 2017-2018 The Linux Foundation. All rights reserved.

/* Copyright (c) 2010-2015, 2017-2019 The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and

static ssize_t show_def_timer_ms(struct kobject *kobj,

		struct kobj_attribute *attr, char *buf)

{

	int64_t diff;

	uint64_t diff;

	unsigned int udiff;

	diff = ktime_to_ns(ktime_get()) - rq_info.def_start_time;