diff options
| -rw-r--r-- | lib/sbitmap.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/sbitmap.c b/lib/sbitmap.c index a89fbe7cf6ca..2261136ae067 100644 --- a/lib/sbitmap.c +++ b/lib/sbitmap.c @@ -118,8 +118,13 @@ static int __sbitmap_get_word(unsigned long *word, unsigned long depth, static inline bool sbitmap_deferred_clear(struct sbitmap *sb, int index) { unsigned long mask, val; + unsigned long __maybe_unused flags; bool ret = false; + /* Silence bogus lockdep warning */ +#if defined(CONFIG_LOCKDEP) + local_irq_save(flags); +#endif spin_lock(&sb->map[index].swap_lock); if (!sb->map[index].cleared) @@ -142,6 +147,9 @@ static inline bool sbitmap_deferred_clear(struct sbitmap *sb, int index) ret = true; out_unlock: spin_unlock(&sb->map[index].swap_lock); +#if defined(CONFIG_LOCKDEP) + local_irq_restore(flags); +#endif return ret; } |