[Devel] [PATCH] mm: high order allocation detector

[Nikita Yushchenko]

>> +	return p - buf;
> Do we have any guarantee that buf will not be overflowed?

buf is a full page.

MAX_ORDER is less than 20.
This gives more than 200 bytes to print each order.
Actual print is significantly shorter.

> 
>> +static int hoad_init(void)
>> +{
>> +	int ret;
>> +
>> +	/* To be able to generate uevents, need a kobject with kset defined.
>> +	 *
>> +	 * To avoid extra depth inside sysfs, create a kset and use it's
>> +	 * internal kobject, by setting it's 'kset' field to itself.
>> +	 */
>> +	struct kset *kset = kset = kset_create_and_add("hoad", NULL, mm_kobj);
> 
> extra ' = kset' ?

Indeed. Will fix now.