diff --git a/include/linux/damon.h b/include/linux/damon.h
index 27c546bfc6d4..60cb8eada3d6 100644
--- a/include/linux/damon.h
+++ b/include/linux/damon.h
@@ -630,6 +630,8 @@ struct damon_ctx {
 	unsigned long next_ops_update_sis;
 	/* for waiting until the execution of the kdamond_fn is started */
 	struct completion kdamond_started;
+	/* for scheme quotas prioritization */
+	unsigned long *regions_score_histogram;
 
 /* public: */
 	struct task_struct *kdamond;
diff --git a/mm/damon/core.c b/mm/damon/core.c
index 086294279b07..40266d85eebf 100644
--- a/mm/damon/core.c
+++ b/mm/damon/core.c
@@ -1957,6 +1957,10 @@ static int kdamond_fn(void *data)
 		ctx->ops.init(ctx);
 	if (ctx->callback.before_start && ctx->callback.before_start(ctx))
 		goto done;
+	ctx->regions_score_histogram = kmalloc_array(DAMOS_MAX_SCORE + 1,
+			sizeof(*ctx->regions_score_histogram), GFP_KERNEL);
+	if (!ctx->regions_score_histogram)
+		goto done;
 
 	sz_limit = damon_region_sz_limit(ctx);
 
@@ -2034,6 +2038,7 @@ done:
 		ctx->callback.before_terminate(ctx);
 	if (ctx->ops.cleanup)
 		ctx->ops.cleanup(ctx);
+	kfree(ctx->regions_score_histogram);
 
 	pr_debug("kdamond (%d) finishes\n", current->pid);
 	mutex_lock(&ctx->kdamond_lock);