diff options
Diffstat (limited to 'mm/damon')
| -rw-r--r-- | mm/damon/sysfs-schemes.c | 32 |
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, "a); + scheme = damon_new_scheme(&pattern, sysfs_scheme->action, sysfs_scheme->apply_interval_us, "a, &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; |