On Tue, 12 Dec 2023 07:16:50 +0800, kernel test robot <lkp@xxxxxxxxx> wrote:
> kernel test robot noticed the following build warnings:
> lib/radix-tree.c:558:24: sparse: got struct xa_node [noderef] __rcu *parent
> >> lib/radix-tree.c:653:28: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct xa_node *pn @@ got struct xa_node [noderef] __rcu *parent @@
> lib/radix-tree.c:653:28: sparse: expected struct xa_node *pn
> 651 struct radix_tree_node *pn;
> 652 while (shift < mmshift && node) {
> > 653 pn = node->parent;
It can be clarified here that node->parent is the type just alloced as
"struct radix_tree node *", so there is no need to use cast type conversion,
Please ignore this warning.
BR,
Lizhi
