summaryrefslogtreecommitdiff
path: root/mm/vmstat.c
diff options
context:
space:
mode:
Diffstat (limited to 'mm/vmstat.c')
-rw-r--r--mm/vmstat.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 0dad31dc1618..1bbbbd9776ad 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1223,7 +1223,6 @@ module_init(setup_vmstat)
#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_COMPACTION)
#include <linux/debugfs.h>
-static struct dentry *extfrag_debug_root;
/*
* Return an index indicating how much of the available free memory is
@@ -1361,19 +1360,24 @@ static const struct file_operations extfrag_file_ops = {
static int __init extfrag_debug_init(void)
{
+ struct dentry *extfrag_debug_root;
+
extfrag_debug_root = debugfs_create_dir("extfrag", NULL);
if (!extfrag_debug_root)
return -ENOMEM;
if (!debugfs_create_file("unusable_index", 0444,
extfrag_debug_root, NULL, &unusable_file_ops))
- return -ENOMEM;
+ goto fail;
if (!debugfs_create_file("extfrag_index", 0444,
extfrag_debug_root, NULL, &extfrag_file_ops))
- return -ENOMEM;
+ goto fail;
return 0;
+fail:
+ debugfs_remove_recursive(extfrag_debug_root);
+ return -ENOMEM;
}
module_init(extfrag_debug_init);