ruby: some small changes

1 files changed, 1 insertions, 1 deletions

diff --git a/configs/ruby/Ruby.py b/configs/ruby/Ruby.py
index 0cd63b4f9..f8ca59734 100644
--- a/configs/ruby/Ruby.py
+++ b/configs/ruby/Ruby.py
@@ -167,7 +167,6 @@ def create_system(options, system, piobus = None, dma_ports = []):
     #
     total_mem_size = MemorySize('0B')
 
-    dir_bits = int(math.log(options.num_dirs, 2))
     ruby.block_size_bytes = options.cacheline_size
     block_size_bits = int(math.log(options.cacheline_size, 2))
 
@@ -177,6 +176,7 @@ def create_system(options, system, piobus = None, dma_ports = []):
         # if the numa_bit is not specified, set the directory bits as the
         # lowest bits above the block offset bits, and the numa_bit as the
         # highest of those directory bits
+        dir_bits = int(math.log(options.num_dirs, 2))
         numa_bit = block_size_bits + dir_bits - 1
 
     for dir_cntrl in dir_cntrls: