diff options
Diffstat (limited to 'mm/damon/lru_sort.c')
-rw-r--r-- | mm/damon/lru_sort.c | 75 |
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; } |