mm/damon/core: commit damos_quota_goal->nid

DAMOS quota goal uses 'nid' field when the metric is
DAMOS_QUOTA_NODE_MEM_{USED,FREE}_BP.  But the goal commit function is not
updating the goal's nid field.  Fix it.

Link: https://lkml.kernel.org/r/[email protected]
Fixes: 0e1c773 ("mm/damon/core: introduce damos quota goal metrics for memory node utilization")	[6.16.x]
Signed-off-by: SeongJae Park <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: sjp38

mm/damon/core.c

@@ -754,6 +754,19 @@ static struct damos_quota_goal *damos_nth_quota_goal(
 	return NULL;
 }
 
+static void damos_commit_quota_goal_union(
+		struct damos_quota_goal *dst, struct damos_quota_goal *src)
+{
+	switch (dst->metric) {
+	case DAMOS_QUOTA_NODE_MEM_USED_BP:
+	case DAMOS_QUOTA_NODE_MEM_FREE_BP:
+		dst->nid = src->nid;
+		break;
+	default:
+		break;
+	}
+}
+
 static void damos_commit_quota_goal(
 		struct damos_quota_goal *dst, struct damos_quota_goal *src)
 {
@@ -762,6 +775,7 @@ static void damos_commit_quota_goal(
 	if (dst->metric == DAMOS_QUOTA_USER_INPUT)
 		dst->current_value = src->current_value;
 	/* keep last_psi_total as is, since it will be updated in next cycle */
+	damos_commit_quota_goal_union(dst, src);
 }
 
 /**
@@ -795,6 +809,7 @@ int damos_commit_quota_goals(struct damos_quota *dst, struct damos_quota *src)
 				src_goal->metric, src_goal->target_value);
 		if (!new_goal)
 			return -ENOMEM;
+		damos_commit_quota_goal_union(new_goal, src_goal);
 		damos_add_quota_goal(dst, new_goal);
 	}
 	return 0;