mm/damon: document get_score_arg field of struct damos_quota

index 508a262418a2..aa34ab433bc5 100644
@@ -137,6 +137,7 @@ enum damos_action {
  * @weight_age:		Weight of the region's age for prioritization.
  *
  * @get_score:		Feedback function for self-tuning quota.
+ * @get_score_arg:	Parameter for @get_score
  *
  * To avoid consuming too much CPU time or IO resources for applying the
  * &struct damos->action to large memory, DAMON allows users to set time and/or

@@ -156,10 +157,10 @@ enum damos_action {
  * &weight_nr_accesses, and &weight_age, because monitoring operations are
  * encouraged to respect those.
  *
- * If @get_score function pointer is set, DAMON calls it back and get the
- * return value of it for every @reset_interval.  Then, DAMON adjusts the
- * effective quota using the return value as a feedback score to the current
- * quota, using its internal feedback loop algorithm.
+ * If @get_score function pointer is set, DAMON calls it back with
+ * @get_score_arg and get the return value of it for every @reset_interval.
+ * Then, DAMON adjusts the effective quota using the return value as a feedback
+ * score to the current quota, using its internal feedback loop algorithm.
  *
  * The feedback loop algorithem assumes the quota input and the feedback score
  * output are in a positive proportional relationship, and the goal of the