1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c
index e672e1d17bf1..3a28a68f184c 100644
--- a/drivers/md/dm-writecache.c
+++ b/drivers/md/dm-writecache.c
@@ -457,7 +457,7 @@ static void ssd_commit_flushed(struct dm_writecache *wc)
                 COMPLETION_INITIALIZER_ONSTACK(endio.c),
                 ATOMIC_INIT(1),
         };
-        unsigned bitmap_bits = wc->dirty_bitmap_size * BITS_PER_LONG;
+        unsigned bitmap_bits = wc->dirty_bitmap_size * 8;
         unsigned i = 0;
 
         while (1) {