1 files changed, 1 insertions, 11 deletions

diff --git a/fs/ext3/bitmap.c b/fs/ext3/bitmap.c
index 909d13e26560..ef9c643e8e9d 100644
--- a/fs/ext3/bitmap.c
+++ b/fs/ext3/bitmap.c
@@ -11,19 +11,9 @@
 
 #ifdef EXT3FS_DEBUG
 
-static const int nibblemap[] = {4, 3, 3, 2, 3, 2, 2, 1, 3, 2, 2, 1, 2, 1, 1, 0};
-
 unsigned long ext3_count_free (struct buffer_head * map, unsigned int numchars)
 {
-        unsigned int i;
-        unsigned long sum = 0;
-
-        if (!map)
-                return (0);
-        for (i = 0; i < numchars; i++)
-                sum += nibblemap[map->b_data[i] & 0xf] +
-                        nibblemap[(map->b_data[i] >> 4) & 0xf];
-        return (sum);
+        return numchars * BITS_PER_BYTE - memweight(map->b_data, numchars);
 }
 
 #endif  /*  EXT3FS_DEBUG  */