Re: [PATCH 08/10] blk-cgroup: remove radix_tree_preload()

[Christoph Hellwig]

On Thu, Sep 25, 2025 at 04:15:23PM +0800, Yu Kuai wrote:
> From: Yu Kuai <yukuai3@xxxxxxxxxx>
> 
> Now that blkcg_mutex is used to protect blkgs, memory allocation no
> longer need to be non-blocking, this is not needed.

Btw, this might also be a good time to convert from the old radix tree
to an xarray.