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| author | Andrew Morton <akpm@linux-foundation.org> | 2023-02-10 15:34:48 -0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-02-10 15:34:48 -0800 |
| commit | f67d6b26649379f8520abe6a6c7ed335310bf01e (patch) | |
| tree | c161fce6517753dcacdcea21804f6e2c90164a33 /mm/shrinker_debug.c | |
| parent | 223ec6ab265ead0b319bc2f15d0d1be05078a74b (diff) | |
| parent | ce4d9a1ea35ac5429e822c4106cb2859d5c71f3e (diff) | |
Merge branch 'mm-hotfixes-stable' into mm-stable
To pick up depended-upon changes
Diffstat (limited to 'mm/shrinker_debug.c')
| -rw-r--r-- | mm/shrinker_debug.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/mm/shrinker_debug.c b/mm/shrinker_debug.c index b05295bab322..39c3491e28a3 100644 --- a/mm/shrinker_debug.c +++ b/mm/shrinker_debug.c @@ -246,18 +246,21 @@ int shrinker_debugfs_rename(struct shrinker *shrinker, const char *fmt, ...) } EXPORT_SYMBOL(shrinker_debugfs_rename); -void shrinker_debugfs_remove(struct shrinker *shrinker) +struct dentry *shrinker_debugfs_remove(struct shrinker *shrinker) { + struct dentry *entry = shrinker->debugfs_entry; + lockdep_assert_held(&shrinker_rwsem); kfree_const(shrinker->name); shrinker->name = NULL; - if (!shrinker->debugfs_entry) - return; + if (entry) { + ida_free(&shrinker_debugfs_ida, shrinker->debugfs_id); + shrinker->debugfs_entry = NULL; + } - debugfs_remove_recursive(shrinker->debugfs_entry); - ida_free(&shrinker_debugfs_ida, shrinker->debugfs_id); + return entry; } static int __init shrinker_debugfs_init(void) |