mm, slab_common: fix a typo in comment "eariler"->"earlier"

There is a typo in comment, fix it.
s/eariler/earlier/

Signed-off-by: Qiujun Huang <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Reviewed-by: Andrew Morton <[email protected]>
Acked-by: Christoph Lameter <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Linus Torvalds <[email protected]>

mm/slab_common.c

@@ -731,7 +731,7 @@ static void kmemcg_rcufn(struct rcu_head *head)
 	/*
 	 * We need to grab blocking locks.  Bounce to ->work.  The
 	 * work item shares the space with the RCU head and can't be
-	 * initialized eariler.
+	 * initialized earlier.
 	 */
 	INIT_WORK(&s->memcg_params.work, kmemcg_workfn);
 	queue_work(memcg_kmem_cache_wq, &s->memcg_params.work);