diff options
Diffstat (limited to 'include/linux/sbitmap.h')
| -rw-r--r-- | include/linux/sbitmap.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/sbitmap.h b/include/linux/sbitmap.h index d662cf136021..c09cdcc99471 100644 --- a/include/linux/sbitmap.h +++ b/include/linux/sbitmap.h @@ -36,6 +36,11 @@ struct sbitmap_word { * @cleared: word holding cleared bits */ unsigned long cleared ____cacheline_aligned_in_smp; + + /** + * @swap_lock: serializes simultaneous updates of ->word and ->cleared + */ + spinlock_t swap_lock; } ____cacheline_aligned_in_smp; /** |