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From: Zenghui Yu <zenghui.yu@linux.dev>
To: "Michal Koutný" <mkoutny@suse.com>
Cc: linux-mm@kvack.org, cgroups@vger.kernel.org,
	linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org,
	hannes@cmpxchg.org, yosry@kernel.org, nphamcs@gmail.com,
	chengming.zhou@linux.dev, tj@kernel.org,
	Shuah Khan <shuah@kernel.org>,
	mhocko@kernel.org, Roman Gushchin <roman.gushchin@linux.dev>,
	Shakeel Butt <shakeel.butt@linux.dev>,
	Muchun Song <muchun.song@linux.dev>,
	Andrew Morton <akpm@linux-foundation.org>,
	Li Wang <li.wang@linux.dev>
Subject: Re: cgroup/test_zswap failed with "zswpout does not increase after test program"
Date: Tue, 7 Jul 2026 20:14:30 +0800	[thread overview]
Message-ID: <7d955bb1-9abd-4ba7-b1a6-a19f999cfa27@linux.dev> (raw)
In-Reply-To: <akzpi93tZry0cCCe@localhost.localdomain>

Hi Michal,

On 7/7/26 8:01 PM, Michal Koutný wrote:
> Hello Zenghui.
> 
> On Tue, Jul 07, 2026 at 05:38:13PM +0800, Zenghui Yu <zenghui.yu@linux.dev> 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]?

I use today's mm-new [*]

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

... so it should already be included.

[*] https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git/log/?h=mm-new

Thanks,
Zenghui

  reply	other threads:[~2026-07-07 12:15 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-07  9:38 cgroup/test_zswap failed with "zswpout does not increase after test program" Zenghui Yu
2026-07-07 12:01 ` Michal Koutný
2026-07-07 12:14   ` Zenghui Yu [this message]
2026-07-07 18:25 ` Yosry Ahmed
2026-07-07 21:35   ` Nhat Pham
2026-07-07 21:36     ` Yosry Ahmed
2026-07-07 21:46       ` Nhat Pham
2026-07-07 21:49         ` Yosry Ahmed
2026-07-08 19:00           ` Michal Koutný
2026-07-08 19:08             ` Yosry Ahmed
2026-07-10 17:30               ` Nhat Pham
2026-07-10 18:25                 ` Yosry Ahmed

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