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Commit e90f210d authored by Jin Qian's avatar Jin Qian
Browse files

ANDROID: uid_sys_stats: remove unnecessary code in procstat switch 



No need to aggregate the switched uid separately since
update_io_stats_locked covers all uids.

Bug: 34198239
Change-Id: Ifed347264b910de02e3f3c8dec95d1a2dbde58c0
Signed-off-by: default avatarJin Qian <jinqian@google.com>
parent 5a221cdf

drivers/misc/uid_sys_stats.c

+1 −14
Original line number Diff line number Diff line
@@ -328,9 +328,8 @@ static int uid_procstat_open(struct inode *inode, struct file *file) 
static ssize_t uid_procstat_write(struct file *file,

			const char __user *buffer, size_t count, loff_t *ppos)

{

	struct task_struct *task, *temp;

	struct uid_entry *uid_entry;

	uid_t uid, task_uid;

	uid_t uid;

	int argc, state;

	char input[128];
@@ -362,18 +361,6 @@ static ssize_t uid_procstat_write(struct file *file, 
		return count;

	}



	memset(&uid_entry->io[UID_STATE_TOTAL_CURR], 0,

		sizeof(struct io_stats));



	read_lock(&tasklist_lock);

	do_each_thread(temp, task) {

		task_uid = from_kuid_munged(current_user_ns(), task_uid(task));

		if (uid != task_uid)

			continue;

		add_uid_io_curr_stats(uid_entry, task);

	} while_each_thread(temp, task);

	read_unlock(&tasklist_lock);



	update_io_stats_locked();



	uid_entry->state = state;