When add boot parameter kfence.sample_interval=0, it will not create debugfs dir/file, but when user change this parameter after boot, it can enable kfence, there is no debugfs info to check the kfence state. Remove kfence_enabled check in kfence_debugfs_init() to create debugfs unconditionally. Signed-off-by: yuan linyu --- mm/kfence/core.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/mm/kfence/core.c b/mm/kfence/core.c index 577a1699c553..24c6f1fa5b19 100644 --- a/mm/kfence/core.c +++ b/mm/kfence/core.c @@ -782,9 +782,6 @@ static int kfence_debugfs_init(void) { struct dentry *kfence_dir; - if (!READ_ONCE(kfence_enabled)) - return 0; - kfence_dir = debugfs_create_dir("kfence", NULL); debugfs_create_file("stats", 0444, kfence_dir, NULL, &stats_fops); debugfs_create_file("objects", 0400, kfence_dir, NULL, &objects_fops); -- 2.25.1