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Diffstat (limited to 'mm/shrinker_debug.c')
-rw-r--r--mm/shrinker_debug.c16
1 files changed, 2 insertions, 14 deletions
diff --git a/mm/shrinker_debug.c b/mm/shrinker_debug.c
index 4a85b94d12ce..794bd433cce0 100644
--- a/mm/shrinker_debug.c
+++ b/mm/shrinker_debug.c
@@ -195,8 +195,6 @@ int shrinker_debugfs_add(struct shrinker *shrinker)
int shrinker_debugfs_rename(struct shrinker *shrinker, const char *fmt, ...)
{
- struct dentry *entry;
- char buf[128];
const char *new, *old;
va_list ap;
int ret = 0;
@@ -213,18 +211,8 @@ int shrinker_debugfs_rename(struct shrinker *shrinker, const char *fmt, ...)
old = shrinker->name;
shrinker->name = new;
- if (shrinker->debugfs_entry) {
- snprintf(buf, sizeof(buf), "%s-%d", shrinker->name,
- shrinker->debugfs_id);
-
- entry = debugfs_rename(shrinker_debugfs_root,
- shrinker->debugfs_entry,
- shrinker_debugfs_root, buf);
- if (IS_ERR(entry))
- ret = PTR_ERR(entry);
- else
- shrinker->debugfs_entry = entry;
- }
+ ret = debugfs_change_name(shrinker->debugfs_entry, "%s-%d",
+ shrinker->name, shrinker->debugfs_id);
mutex_unlock(&shrinker_mutex);