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[195.250.132.146]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-47aa039ae44sm32347941f8f.23.2026.07.07.05.01.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Jul 2026 05:01:35 -0700 (PDT) Date: Tue, 7 Jul 2026 14:01:33 +0200 From: Michal =?utf-8?Q?Koutn=C3=BD?= To: Zenghui Yu 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 , mhocko@kernel.org, Roman Gushchin , Shakeel Butt , Muchun Song , Andrew Morton , Li Wang Subject: Re: cgroup/test_zswap failed with "zswpout does not increase after test program" Message-ID: References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="n32fxil2i3lu57lp" Content-Disposition: inline In-Reply-To: X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: C17774000A X-Stat-Signature: e99nozax96cxwbttit9eidd85beo3k7h X-HE-Tag: 1783425697-81597 X-HE-Meta: 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 t7KXPJVd 47AuPlTXdlukJU2I1RTOm1zSDG2AgYWpMxEKjGACrWBEYhzAmHqPKN7cZuj2w3XpcWD+qzoppdmchxGHHKyL2K0foAq1U20VbCPKRHRUQPI5Sn0dUCxtajdGhfgSPgicUc3U1NBdO3/2NP2h9bwjfIjRLNz1ZkHdcqdDlix0i/Wq8tZUCwRoZSyyCzvQaFzkgwPTWsZjvtKX7kdZtHsduJcvJV5syV5dOmmUs/kkllbGYKh3XoJqafKQxEszYOF5Qk+Xf6fHatZ05qwd0Ym2b3TrOd7ZSCiDjWHZd2DcgokfHcELx9QQHWqf9YR55d6ud8WEC7eVfSrFIHn5DD6o5WQhUXkT6VHwmmiq7lgA0t19SBImuZp6o37AO8Rbh7J0gx8sotF3fj+llZxe6Y6dHQbu3v/RnE1qsfJViiysv+8C69nWLidUeAoXyf2V1p8lD7VORpPhMNbGcvwohxcipuve79A== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: --n32fxil2i3lu57lp Content-Type: text/plain; protected-headers=v1; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Subject: Re: cgroup/test_zswap failed with "zswpout does not increase after test program" MIME-Version: 1.0 Hello Zenghui. On Tue, Jul 07, 2026 at 05:38:13PM +0800, Zenghui Yu = wrote: > Hi, >=20 > Running cgroup/test_zswap on my arm64 box failed immediately with: >=20 > [root@localhost cgroup]# ./test_zswap=20 > 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 --n32fxil2i3lu57lp Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iJEEABYKADkWIQRCE24Fn/AcRjnLivR+PQLnlNv4CAUCakzqcRsUgAAAAAAEAA5t YW51MiwyLjUrMS4xMiwyLDIACgkQfj0C55Tb+AjPxQD/TSp3AgFunXblm/wv+t06 iUtOKzzPQFXPcFo4roUGy6UBAPI9Y58AN6NvZtotdqoeb85Dry7/rdwq9AfzhNfP 8pEH =dE8U -----END PGP SIGNATURE----- --n32fxil2i3lu57lp--