From: SeongJae Park <sj@xxxxxxxxxx>
Introduce a new struct, namely damos_migrate_dests, for specifying
multiple DAMOS' migration destination nodes and their weights.
Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>
Signed-off-by: Bijan Tabatabai <bijantabatab@xxxxxxxxxx>
---
include/linux/damon.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/include/linux/damon.h b/include/linux/damon.h
index e1fea3119538..07cee590ff09 100644
--- a/include/linux/damon.h
+++ b/include/linux/damon.h
@@ -447,6 +447,22 @@ struct damos_access_pattern {
unsigned int max_age_region;
};
+/**
+ * struct damos_migrate_dests - Migration destination nodes and their weights.
+ * @node_id_arr: Array of migration destination node ids.
+ * @weight_arr: Array of migration weights for @node_id_arr.
+ * @nr_dests: Length of the @node_id_arr and @weight_arr arrays.
+ *
+ * @node_id_arr is an array of the ids of migration destination nodes.
+ * @weight_arr is an array of the weights for those. The weights in
+ * @weight_arr are for nodes in @node_id_arr of same array index.
+ */
+struct damos_migrate_dests {
+ unsigned int *node_id_arr;
+ unsigned int *weight_arr;
+ size_t nr_dests;
+};
+
/**
* struct damos - Represents a Data Access Monitoring-based Operation Scheme.
* @pattern: Access pattern of target regions.
--
2.43.0
