fix typo, per Michal
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
(1 << PCG_ACCT_LRU) | (1 << PCG_MIGRATION))
/*
* Because tail pages are not marked as "used", set it. We're under
- * zone->lru_lock, 'splitting on pmd' and compund_lock.
+ * zone->lru_lock, 'splitting on pmd' and compound_lock.
* charge/uncharge will be never happen and move_account() is done under
* compound_lock(), so we don't have to take care of races.
*/