2 files changed, 3 insertions, 1 deletions

diff --git a/include/linux/drbd.h b/include/linux/drbd.h
index de7d74ab3de6..6f60136da873 100644
--- a/include/linux/drbd.h
+++ b/include/linux/drbd.h
@@ -382,4 +382,6 @@ enum drbd_timeout_flag {
 #define DRBD_MD_INDEX_FLEX_EXT -2
 #define DRBD_MD_INDEX_FLEX_INT -3
 
+#define DRBD_CPU_MASK_SIZE 32
+
 #endif
diff --git a/include/linux/drbd_genl.h b/include/linux/drbd_genl.h
index b14a2e899fea..4193f5f2636c 100644
--- a/include/linux/drbd_genl.h
+++ b/include/linux/drbd_genl.h
@@ -135,7 +135,7 @@ GENL_struct(DRBD_NLA_DISK_CONF, 3, disk_conf,
 )
 
 GENL_struct(DRBD_NLA_RESOURCE_OPTS, 4, res_opts,
-        __str_field_def(1,      DRBD_GENLA_F_MANDATORY, cpu_mask,       32)
+        __str_field_def(1,      DRBD_GENLA_F_MANDATORY, cpu_mask,       DRBD_CPU_MASK_SIZE)
         __u32_field_def(2,      DRBD_GENLA_F_MANDATORY, on_no_data, DRBD_ON_NO_DATA_DEF)
 )