On Thu, Oct 14, 2021 at 05:22:40PM -0700, Luis Chamberlain wrote: > On Fri, Oct 15, 2021 at 07:52:04AM +0800, Ming Lei wrote: ... > > > > We need to understand the exact reason why there is still cpuhp node > > left, can you share us the exact steps for reproducing the issue? > > Otherwise we may have to trace and narrow down the reason. > > See my commit log for my own fix for this issue. OK, thanks! I can reproduce the issue, and the reason is that reset_store fails zram_remove() when unloading module, then the warning is caused. The top 3 patches in the following tree can fix the issue: https://github.com/ming1/linux/commits/my_v5.15-blk-dev Thanks, Ming
