1 files changed, 1 insertions, 1 deletions

diff --git a/fs/dcache.c b/fs/dcache.c
index 4bdb300b16e2..6055d61811d3 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -192,7 +192,7 @@ static inline int dentry_string_cmp(const unsigned char *cs, const unsigned char
                 if (!tcount)
                         return 0;
         }
-        mask = ~(~0ul << tcount*8);
+        mask = bytemask_from_count(tcount);
         return unlikely(!!((a ^ b) & mask));
 }