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-rw-r--r--mm/damon/sysfs.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c
index 7472404456aa..1f891e18b4ee 100644
--- a/mm/damon/sysfs.c
+++ b/mm/damon/sysfs.c
@@ -995,6 +995,11 @@ enum damon_sysfs_cmd {
/* @DAMON_SYSFS_CMD_COMMIT: Update kdamond inputs. */
DAMON_SYSFS_CMD_COMMIT,
/*
+ * @DAMON_SYSFS_CMD_COMMIT_SCHEMES_QUOTA_GOALS: Commit the quota goals
+ * to DAMON.
+ */
+ DAMON_SYSFS_CMD_COMMIT_SCHEMES_QUOTA_GOALS,
+ /*
* @DAMON_SYSFS_CMD_UPDATE_SCHEMES_STATS: Update scheme stats sysfs
* files.
*/
@@ -1025,6 +1030,7 @@ static const char * const damon_sysfs_cmd_strs[] = {
"on",
"off",
"commit",
+ "commit_schemes_quota_goals",
"update_schemes_stats",
"update_schemes_tried_bytes",
"update_schemes_tried_regions",
@@ -1351,6 +1357,24 @@ static int damon_sysfs_commit_input(struct damon_sysfs_kdamond *kdamond)
kdamond->contexts->contexts_arr[0]);
}
+static int damon_sysfs_commit_schemes_quota_goals(
+ struct damon_sysfs_kdamond *sysfs_kdamond)
+{
+ struct damon_ctx *ctx;
+ struct damon_sysfs_context *sysfs_ctx;
+
+ if (!damon_sysfs_kdamond_running(sysfs_kdamond))
+ return -EINVAL;
+ /* TODO: Support multiple contexts per kdamond */
+ if (sysfs_kdamond->contexts->nr != 1)
+ return -EINVAL;
+
+ ctx = sysfs_kdamond->damon_ctx;
+ sysfs_ctx = sysfs_kdamond->contexts->contexts_arr[0];
+ damos_sysfs_set_quota_scores(sysfs_ctx->schemes, ctx);
+ return 0;
+}
+
/*
* damon_sysfs_cmd_request_callback() - DAMON callback for handling requests.
* @c: The DAMON context of the callback.
@@ -1379,6 +1403,9 @@ static int damon_sysfs_cmd_request_callback(struct damon_ctx *c, bool active)
case DAMON_SYSFS_CMD_COMMIT:
err = damon_sysfs_commit_input(kdamond);
break;
+ case DAMON_SYSFS_CMD_COMMIT_SCHEMES_QUOTA_GOALS:
+ err = damon_sysfs_commit_schemes_quota_goals(kdamond);
+ break;
case DAMON_SYSFS_CMD_UPDATE_SCHEMES_TRIED_BYTES:
total_bytes_only = true;
fallthrough;