Re: cgroup/test_zswap failed with "zswpout does not increase after test program"

[Michal Koutný]

Hello Zenghui.

On Tue, Jul 07, 2026 at 05:38:13PM +0800, Zenghui Yu <zenghui.yu@xxxxxxxxx> wrote:
> Hi,
> 
> Running cgroup/test_zswap on my arm64 box failed immediately with:
> 
>   [root@localhost cgroup]# ./test_zswap 
>   TAP version 13
>   1..8
>   # zswpout does not increase after test program
>   not ok 1 test_zswap_usage
>   [...]

What version of the tests do you run?
Namely, does it have the recent patches from Li [1]?

Thanks,
Michal

[1] 83476cc97bc63 ("Merge tag 'cgroup-for-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup") v7.2-rc1~136

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