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Tue, 24 Mar 2026 23:17:45 -0700 (PDT) Received: from redhat.com ([209.132.188.88]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-82b03bbebb2sm15843054b3a.14.2026.03.24.23.17.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Mar 2026 23:17:44 -0700 (PDT) Date: Wed, 25 Mar 2026 14:17:42 +0800 From: Li Wang To: Yosry Ahmed Cc: Andrew Morton , longman@redhat.com, yosryahmed@google.com, nphamcs@gmail.com, hannes@cmpxchg.org, mhocko@kernel.org, mkoutny@suse.com, muchun.song@linux.dev, tj@kernel.org, roman.gushchin@linux.dev, shakeel.butt@linux.dev, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH v4 0/7] selftests/cgroup: improve zswap tests robustness and support large page sizes Message-ID: References: <20260322061038.156146-1-liwang@redhat.com> <20260322091851.e965d3a2f0d6af5bd985407f@linux-foundation.org> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: > 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. -- Regards, Li Wang