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Diffstat (limited to 'mm/damon/lru_sort.c')
-rw-r--r--mm/damon/lru_sort.c75
1 files changed, 39 insertions, 36 deletions
diff --git a/mm/damon/lru_sort.c b/mm/damon/lru_sort.c
index 4af8fd4a390b..151a9de5ad8b 100644
--- a/mm/damon/lru_sort.c
+++ b/mm/damon/lru_sort.c
@@ -230,6 +230,39 @@ out:
return err;
}
+static int damon_lru_sort_handle_commit_inputs(void)
+{
+ int err;
+
+ if (!commit_inputs)
+ return 0;
+
+ err = damon_lru_sort_apply_parameters();
+ commit_inputs = false;
+ return err;
+}
+
+static int damon_lru_sort_damon_call_fn(void *arg)
+{
+ struct damon_ctx *c = arg;
+ struct damos *s;
+
+ /* update the stats parameter */
+ damon_for_each_scheme(s, c) {
+ if (s->action == DAMOS_LRU_PRIO)
+ damon_lru_sort_hot_stat = s->stat;
+ else if (s->action == DAMOS_LRU_DEPRIO)
+ damon_lru_sort_cold_stat = s->stat;
+ }
+
+ return damon_lru_sort_handle_commit_inputs();
+}
+
+static struct damon_call_control call_control = {
+ .fn = damon_lru_sort_damon_call_fn,
+ .repeat = true,
+};
+
static int damon_lru_sort_turn(bool on)
{
int err;
@@ -249,7 +282,7 @@ static int damon_lru_sort_turn(bool on)
if (err)
return err;
kdamond_pid = ctx->kdamond->pid;
- return 0;
+ return damon_call(ctx, &call_control);
}
static int damon_lru_sort_enabled_store(const char *val,
@@ -288,52 +321,22 @@ module_param_cb(enabled, &enabled_param_ops, &enabled, 0600);
MODULE_PARM_DESC(enabled,
"Enable or disable DAMON_LRU_SORT (default: disabled)");
-static int damon_lru_sort_handle_commit_inputs(void)
-{
- int err;
-
- if (!commit_inputs)
- return 0;
-
- err = damon_lru_sort_apply_parameters();
- commit_inputs = false;
- return err;
-}
-
-static int damon_lru_sort_after_aggregation(struct damon_ctx *c)
-{
- struct damos *s;
-
- /* update the stats parameter */
- damon_for_each_scheme(s, c) {
- if (s->action == DAMOS_LRU_PRIO)
- damon_lru_sort_hot_stat = s->stat;
- else if (s->action == DAMOS_LRU_DEPRIO)
- damon_lru_sort_cold_stat = s->stat;
- }
-
- return damon_lru_sort_handle_commit_inputs();
-}
-
-static int damon_lru_sort_after_wmarks_check(struct damon_ctx *c)
-{
- return damon_lru_sort_handle_commit_inputs();
-}
-
static int __init damon_lru_sort_init(void)
{
int err = damon_modules_new_paddr_ctx_target(&ctx, &target);
if (err)
- return err;
+ goto out;
- ctx->callback.after_wmarks_check = damon_lru_sort_after_wmarks_check;
- ctx->callback.after_aggregation = damon_lru_sort_after_aggregation;
+ call_control.data = ctx;
/* 'enabled' has set before this function, probably via command line */
if (enabled)
err = damon_lru_sort_turn(true);
+out:
+ if (err && enabled)
+ enabled = false;
return err;
}