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Diffstat (limited to 'mm/damon/sysfs.c')
-rw-r--r--mm/damon/sysfs.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c
index 2fc722f998f8..3c0d727788c8 100644
--- a/mm/damon/sysfs.c
+++ b/mm/damon/sysfs.c
@@ -1473,13 +1473,14 @@ static int damon_sysfs_commit_input(void *data)
if (IS_ERR(param_ctx))
return PTR_ERR(param_ctx);
test_ctx = damon_new_ctx();
+ if (!test_ctx)
+ return -ENOMEM;
err = damon_commit_ctx(test_ctx, param_ctx);
- if (err) {
- damon_destroy_ctx(test_ctx);
+ if (err)
goto out;
- }
err = damon_commit_ctx(kdamond->damon_ctx, param_ctx);
out:
+ damon_destroy_ctx(test_ctx);
damon_destroy_ctx(param_ctx);
return err;
}
@@ -1551,16 +1552,17 @@ static struct damon_ctx *damon_sysfs_build_ctx(
return ctx;
}
+static unsigned long damon_sysfs_next_update_jiffies;
+
static int damon_sysfs_repeat_call_fn(void *data)
{
struct damon_sysfs_kdamond *sysfs_kdamond = data;
- static unsigned long next_update_jiffies;
if (!sysfs_kdamond->refresh_ms)
return 0;
- if (time_before(jiffies, next_update_jiffies))
+ if (time_before(jiffies, damon_sysfs_next_update_jiffies))
return 0;
- next_update_jiffies = jiffies +
+ damon_sysfs_next_update_jiffies = jiffies +
msecs_to_jiffies(sysfs_kdamond->refresh_ms);
if (!mutex_trylock(&damon_sysfs_lock))
@@ -1606,6 +1608,9 @@ static int damon_sysfs_turn_damon_on(struct damon_sysfs_kdamond *kdamond)
}
kdamond->damon_ctx = ctx;
+ damon_sysfs_next_update_jiffies =
+ jiffies + msecs_to_jiffies(kdamond->refresh_ms);
+
repeat_call_control->fn = damon_sysfs_repeat_call_fn;
repeat_call_control->data = kdamond;
repeat_call_control->repeat = true;