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-rw-r--r--mm/damon/sysfs-schemes.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c
index e5531dbd4cf1..a7917534ca19 100644
--- a/mm/damon/sysfs-schemes.c
+++ b/mm/damon/sysfs-schemes.c
@@ -1868,6 +1868,34 @@ static int damon_sysfs_set_scheme_filters(struct damos *scheme,
return 0;
}
+static unsigned long damos_sysfs_get_quota_score(void *arg)
+{
+ return (unsigned long)arg;
+}
+
+static void damos_sysfs_set_quota_score(
+ struct damos_sysfs_quota_goals *sysfs_goals,
+ struct damos_quota *quota)
+{
+ struct damos_sysfs_quota_goal *sysfs_goal;
+ int i;
+
+ quota->get_score = NULL;
+ quota->get_score_arg = (void *)0;
+ for (i = 0; i < sysfs_goals->nr; i++) {
+ sysfs_goal = sysfs_goals->goals_arr[i];
+ if (!sysfs_goal->target_value)
+ continue;
+
+ /* Higher score makes scheme less aggressive */
+ quota->get_score_arg = (void *)max(
+ (unsigned long)quota->get_score_arg,
+ sysfs_goal->current_value * 10000 /
+ sysfs_goal->target_value);
+ quota->get_score = damos_sysfs_get_quota_score;
+ }
+}
+
static struct damos *damon_sysfs_mk_scheme(
struct damon_sysfs_scheme *sysfs_scheme)
{
@@ -1905,6 +1933,8 @@ static struct damos *damon_sysfs_mk_scheme(
.low = sysfs_wmarks->low,
};
+ damos_sysfs_set_quota_score(sysfs_quotas->goals, &quota);
+
scheme = damon_new_scheme(&pattern, sysfs_scheme->action,
sysfs_scheme->apply_interval_us, &quota, &wmarks);
if (!scheme)
@@ -1945,6 +1975,8 @@ static void damon_sysfs_update_scheme(struct damos *scheme,
scheme->quota.weight_nr_accesses = sysfs_weights->nr_accesses;
scheme->quota.weight_age = sysfs_weights->age;
+ damos_sysfs_set_quota_score(sysfs_quotas->goals, &scheme->quota);
+
scheme->wmarks.metric = sysfs_wmarks->metric;
scheme->wmarks.interval = sysfs_wmarks->interval_us;
scheme->wmarks.high = sysfs_wmarks->high;