1 files changed, 0 insertions, 118 deletions
diff --git a/net/activity_stats.c b/net/activity_stats.c
deleted file mode 100644
index 3bf92d80b8b9..000000000000
--- a/net/activity_stats.c
+++ /dev/null
@@ -1,118 +0,0 @@
-/* net/activity_stats.c
- *
- * Copyright (C) 2010 Google, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * Author: Mike Chan (mike@android.com)
- */
-
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#include <linux/suspend.h>
-#include <net/net_namespace.h>
-
-/*
- * Track transmission rates in buckets (power of 2).
- * 1,2,4,8...512 seconds.
- *
- * Buckets represent the count of network transmissions at least
- * N seconds apart, where N is 1 << bucket index.
- */
-#define BUCKET_MAX 10
-
-/* Track network activity frequency */
-static unsigned long activity_stats[BUCKET_MAX];
-static ktime_t last_transmit;
-static ktime_t suspend_time;
-static DEFINE_SPINLOCK(activity_lock);
-
-void activity_stats_update(void)
-{
-	int i;
-	unsigned long flags;
-	ktime_t now;
-	s64 delta;
-
-	spin_lock_irqsave(&activity_lock, flags);
-	now = ktime_get();
-	delta = ktime_to_ns(ktime_sub(now, last_transmit));
-
-	for (i = BUCKET_MAX - 1; i >= 0; i--) {
-		/*
-		 * Check if the time delta between network activity is within the
-		 * minimum bucket range.
-		 */
-		if (delta < (1000000000ULL << i))
-			continue;
-
-		activity_stats[i]++;
-		last_transmit = now;
-		break;
-	}
-	spin_unlock_irqrestore(&activity_lock, flags);
-}
-
-static int activity_stats_show(struct seq_file *m, void *v)
-{
-	int i;
-
-	seq_printf(m, "Min Bucket(sec) Count\n");
-
-	for (i = 0; i < BUCKET_MAX; i++) {
-		seq_printf(m, "%15d %lu\n", 1 << i, activity_stats[i]);
-		if (seq_has_overflowed(m))
-			return -ENOSPC;
-	}
-
-	return 0;
-}
-
-static int activity_stats_notifier(struct notifier_block *nb,
-					unsigned long event, void *dummy)
-{
-	switch (event) {
-		case PM_SUSPEND_PREPARE:
-			suspend_time = ktime_get_real();
-			break;
-
-		case PM_POST_SUSPEND:
-			suspend_time = ktime_sub(ktime_get_real(), suspend_time);
-			last_transmit = ktime_sub(last_transmit, suspend_time);
-	}
-
-	return 0;
-}
-
-static int activity_stats_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, activity_stats_show, PDE_DATA(inode));
-}
-
-static const struct file_operations activity_stats_fops = {
-	.open		= activity_stats_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= seq_release,
-};
-
-static struct notifier_block activity_stats_notifier_block = {
-	.notifier_call = activity_stats_notifier,
-};
-
-static int  __init activity_stats_init(void)
-{
-	proc_create("activity", S_IRUGO,
-		    init_net.proc_net_stat, &activity_stats_fops);
-	return register_pm_notifier(&activity_stats_notifier_block);
-}
-
-subsys_initcall(activity_stats_init);
-