Re: [PATCH v4 0/7] selftests/cgroup: improve zswap tests robustness and support large page sizes

From: Li Wang

Date: Wed Mar 25 2026 - 02:17:57 EST


> In summary, the problem is that 'zswpwb' does not update when zswap is executed
> under the zstd algorithm. I'd debugging this issue separately from the kernel side.

I forgot to mention, this issue only observed on systems with a 64K
pagesize (ppc64le, aarch64). I changed the aarch64 page size to 4K,
and it passed the test every time.

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Regards,
Li Wang