"char bdi_unknown_nam[]" string form declares a single variable. It is better than "char *bdi_unknown_name" which creates two variables. Signed-off-by: liqiong <liqiong@xxxxxxxxxxxx> --- mm/backing-dev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/backing-dev.c b/mm/backing-dev.c index 7176af65b103..4982ccc63536 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -20,7 +20,7 @@ struct backing_dev_info noop_backing_dev_info; EXPORT_SYMBOL_GPL(noop_backing_dev_info); static struct class *bdi_class; -static const char *bdi_unknown_name = "(unknown)"; +static const char bdi_unknown_name[] = "(unknown)"; /* * bdi_lock protects bdi_tree and updates to bdi_list. bdi_list has RCU -- 2.11.0
