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Mon, 24 Mar 2025 04:53:57 -0700 (PDT) Received: from [172.20.3.205] ([99.209.85.25]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-4771d176093sm46156621cf.19.2025.03.24.04.53.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 24 Mar 2025 04:53:57 -0700 (PDT) Message-ID: <73bea938-15a2-4b4a-8d31-0db9f9c476e0@redhat.com> Date: Mon, 24 Mar 2025 12:53:55 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [akpm-mm:mm-stable] [mm] c25465eb76: ltp.swapon03.fail To: kernel test robot Cc: oe-lkp@lists.linux.dev, lkp@intel.com, Andrew Morton , Simona Vetter , Alistair Popple , Alex Shi , Danilo Krummrich , Dave Airlie , Jann Horn , Jason Gunthorpe , Jerome Glisse , John Hubbard , Jonathan Corbet , Karol Herbst , Liam Howlett , Lorenzo Stoakes , Lyude , "Masami Hiramatsu (Google)" , Oleg Nesterov , Pasha Tatashin , Peter Xu , Peter Zijlstra , SeongJae Park , Vlastimil Babka , Yanteng Si , Barry Song , linux-kernel@vger.kernel.org, linux-mm@kvack.org, ltp@lists.linux.it References: <202503241635.4c94156d-lkp@intel.com> From: David Hildenbrand Content-Language: en-US Autocrypt: addr=david@redhat.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 24.03.25 09:49, kernel test robot wrote: > > > Hello, > > kernel test robot noticed "ltp.swapon03.fail" on: > > commit: c25465eb7630ffcadaab29c1010071512f8c9621 ("mm: use single SWP_DEVICE_EXCLUSIVE entry type") > https://git.kernel.org/cgit/linux/kernel/git/akpm/mm.git mm-stable > > > in testcase: ltp > version: ltp-x86_64-042eff32a-1_20250322 > with following parameters: > > disk: 1HDD > fs: btrfs > test: syscalls-04/swapon03 > > > > config: x86_64-rhel-9.4-ltp > compiler: gcc-12 > test machine: 4 threads 1 sockets Intel(R) Core(TM) i3-3220 CPU @ 3.30GHz (Ivy Bridge) with 8G memory LTP needs fixing. tst_max_swapfiles() detects the number of supported swapfiles by parsing the kernel config, expecting that with CONFIG_DEVICE_PRIVATE we'd use 4 on newer kernels. Now it's "3", and consequently we support one more swapfile which the test cannot deal with (expecting a failure) So, all good from a kernel perspective. -- Cheers, David / dhildenb