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Date: Fri, 3 Oct 2025 09:37:24 +0200
From: Christoph Hellwig <hch@lst.de>
To: Yu Kuai <yukuai1@huaweicloud.com>
Cc: tj@kernel.org, ming.lei@redhat.com, nilay@linux.ibm.com, hch@lst.de,
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Subject: Re: [PATCH 08/10] blk-cgroup: remove radix_tree_preload()
Message-ID: <20251003073724.GA12933@lst.de>
References: <20250925081525.700639-1-yukuai1@huaweicloud.com> <20250925081525.700639-9-yukuai1@huaweicloud.com>
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On Thu, Sep 25, 2025 at 04:15:23PM +0800, Yu Kuai wrote:
> From: Yu Kuai <yukuai3@huawei.com>
> 
> 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.