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b=MZrlEhohCL9rwVNrkEbEnAMLK4YjTjhZCaWebD3/VYEiAD3GBN+4ahxvemx5oAMJq Ke7Qpx+VhrnwjzSXzNhthxzW6DfIZo5hPk1NtLBqc+WMQCW4g/bcDL2zefvpRtwqJf TR9VQtaagkwHm+D7qhTEzDApB/i+ceen3GSiWw5s4iLHrbtxKgXh4XRpSSbkKK0KFr iSJJuuHZjY75pVGREsqiX2NjBxOuVPOTm9MuZHkAmLVNokM5ScpupSLMLLuG43jTCp qBRuRL7PvknMNc7755FIiuXMKgLk9Ih6lQtovnTMGnKsJQycdfPIkmgYjXgf8THEk4 hYasGi/d1yWug== Message-ID: Date: Tue, 20 Jan 2026 07:44:37 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [akpm-mm:mm-unstable 319/345] mm/balloon.c:19:33: warning: 'balloon_page_device' defined but not used To: kernel test robot Cc: oe-kbuild-all@lists.linux.dev, Andrew Morton , Linux Memory Management List , Lorenzo Stoakes References: <202601201338.4muFmFHV-lkp@intel.com> From: "David Hildenbrand (Red Hat)" Content-Language: en-US Autocrypt: addr=david@kernel.org; keydata= xsFNBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv jwBRNjPAubK9/k5NoRrYqztM9W6sJqrH8+UWZ1Idd/DdmogJh0gNC0+N42Za9yBRURfIdKSb B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzSREYXZpZCBIaWxk ZW5icmFuZCA8ZGF2aWRAa2VybmVsLm9yZz7CwY0EEwEIADcWIQQb2cqtc1xMOkYN/MpN3hD3 AP+DWgUCaKYhwAIbAwUJJlgIpAILCQQVCgkIAhYCAh4FAheAAAoJEE3eEPcA/4Naa5EP/3a1 9sgS9m7oiR0uenlj+C6kkIKlpWKRfGH/WvtFaHr/y06TKnWn6cMOZzJQ+8S39GOteyCCGADh 6ceBx1KPf6/AvMktnGETDTqZ0N9roR4/aEPSMt8kHu/GKR3gtPwzfosX2NgqXNmA7ErU4puf zica1DAmTvx44LOYjvBV24JQG99bZ5Bm2gTDjGXV15/X159CpS6Tc2e3KvYfnfRvezD+alhF XIym8OvvGMeo97BCHpX88pHVIfBg2g2JogR6f0PAJtHGYz6M/9YMxyUShJfo0Df1SOMAbU1Q Op0Ij4PlFCC64rovjH38ly0xfRZH37DZs6kP0jOj4QdExdaXcTILKJFIB3wWXWsqLbtJVgjR YhOrPokd6mDA3gAque7481KkpKM4JraOEELg8pF6eRb3KcAwPRekvf/nYVIbOVyT9lXD5mJn IZUY0LwZsFN0YhGhQJ8xronZy0A59faGBMuVnVb3oy2S0fO1y/r53IeUDTF1wCYF+fM5zo14 5L8mE1GsDJ7FNLj5eSDu/qdZIKqzfY0/l0SAUAAt5yYYejKuii4kfTyLDF/j4LyYZD1QzxLC MjQl36IEcmDTMznLf0/JvCHlxTYZsF0OjWWj1ATRMk41/Q+PX07XQlRCRcE13a8neEz3F6we 08oWh2DnC4AXKbP+kuD9ZP6+5+x1H1zEzsFNBFXLn5EBEADn1959INH2cwYJv0tsxf5MUCgh Cj/CA/lc/LMthqQ773gauB9mN+F1rE9cyyXb6jyOGn+GUjMbnq1o121Vm0+neKHUCBtHyseB fDXHA6m4B3mUTWo13nid0e4AM71r0DS8+KYh6zvweLX/LL5kQS9GQeT+QNroXcC1NzWbitts 6TZ+IrPOwT1hfB4WNC+X2n4AzDqp3+ILiVST2DT4VBc11Gz6jijpC/KI5Al8ZDhRwG47LUiu Qmt3yqrmN63V9wzaPhC+xbwIsNZlLUvuRnmBPkTJwwrFRZvwu5GPHNndBjVpAfaSTOfppyKB Tccu2AXJXWAE1Xjh6GOC8mlFjZwLxWFqdPHR1n2aPVgoiTLk34LR/bXO+e0GpzFXT7enwyvF FFyAS0Nk1q/7EChPcbRbhJqEBpRNZemxmg55zC3GLvgLKd5A09MOM2BrMea+l0FUR+PuTenh 2YmnmLRTro6eZ/qYwWkCu8FFIw4pT0OUDMyLgi+GI1aMpVogTZJ70FgV0pUAlpmrzk/bLbRk F3TwgucpyPtcpmQtTkWSgDS50QG9DR/1As3LLLcNkwJBZzBG6PWbvcOyrwMQUF1nl4SSPV0L LH63+BrrHasfJzxKXzqgrW28CTAE2x8qi7e/6M/+XXhrsMYG+uaViM7n2je3qKe7ofum3s4v q7oFCPsOgwARAQABwsF8BBgBCAAmAhsMFiEEG9nKrXNcTDpGDfzKTd4Q9wD/g1oFAmic2qsF CSZYCKEACgkQTd4Q9wD/g1oq0xAAsAnw/OmsERdtdwRfAMpC74/++2wh9RvVQ0x8xXvoGJwZ rk0Jmck1ABIM//5sWDo7eDHk1uEcc95pbP9XGU6ZgeiQeh06+0vRYILwDk8Q/y06TrTb1n4n 7FRwyskKU1UWnNW86lvWUJuGPABXjrkfL41RJttSJHF3M1C0u2BnM5VnDuPFQKzhRRktBMK4 GkWBvXlsHFhn8Ev0xvPE/G99RAg9ufNAxyq2lSzbUIwrY918KHlziBKwNyLoPn9kgHD3hRBa Yakz87WKUZd17ZnPMZiXriCWZxwPx7zs6cSAqcfcVucmdPiIlyG1K/HIk2LX63T6oO2Libzz 7/0i4+oIpvpK2X6zZ2cu0k2uNcEYm2xAb+xGmqwnPnHX/ac8lJEyzH3lh+pt2slI4VcPNnz+ vzYeBAS1S+VJc1pcJr3l7PRSQ4bv5sObZvezRdqEFB4tUIfSbDdEBCCvvEMBgoisDB8ceYxO cFAM8nBWrEmNU2vvIGJzjJ/NVYYIY0TgOc5bS9wh6jKHL2+chrfDW5neLJjY2x3snF8q7U9G EIbBfNHDlOV8SyhEjtX0DyKxQKioTYPOHcW9gdV5fhSz5tEv+ipqt4kIgWqBgzK8ePtDTqRM qZq457g1/SXSoSQi4jN+gsneqvlTJdzaEu1bJP0iv6ViVf15+qHuY5iojCz8fa0= In-Reply-To: <202601201338.4muFmFHV-lkp@intel.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Stat-Signature: xuhbzma7uq65oy1d8bkdckreeiyj1qq9 X-Rspam-User: X-Rspamd-Queue-Id: 69D97180004 X-Rspamd-Server: rspam08 X-HE-Tag: 1768891482-37403 X-HE-Meta: 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 wW7o1vZX zEkL1RFIVn8cWIz8x+4DdSXNSU6aFY1nZ8xsdr2rhUR6kA8XPRQKM5BRZNwNtAeJDJbl2IfklnUrRyk4/oNg0kahcfxr+QJyKIvh8sUnn9Ebe88HdaxjL5gnkhUFKN66ctxNm4qNornIcjzo8F9EOx6d4ipBZWek6nIxN1n6axcqJltwdJILrCR3dm9OtjNsJt7ZKIPLLrkeF0mZWDm6xSaeOLsGQ676KjmHLz9oil1VFZ/+2ZoS0aJlAXC6gloEZcOugV0MFTur+lB1ht7fA+TWDNkq2KjvtWRQ8WV6Sjz7rdvIYWdFzy1XIZLT1s45qX5EdkiADYJ7Yim6oTfSB5bxuRpaPXJus9UPHNgsq2M4JkjpN2EKpZKZb8FZIkFbHF40NWyIgGjwjol7on8AEuFVvaj9rNVoN37de/O2ZAXzaYAU= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 1/20/26 06:31, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable > head: bd361423f30912263920dd83326dcf142c16ce31 > commit: f100e6eee69ff5746c327bc88a7fa6f43dbdf92c [319/345] mm: rename balloon_compaction.(c|h) to balloon.(c|h) > config: sh-allyesconfig (https://download.01.org/0day-ci/archive/20260120/202601201338.4muFmFHV-lkp@intel.com/config) > compiler: sh4-linux-gcc (GCC) 15.2.0 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260120/202601201338.4muFmFHV-lkp@intel.com/reproduce) > > If you fix the issue in a separate patch/commit (i.e. not just a new version of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot > | Closes: https://lore.kernel.org/oe-kbuild-all/202601201338.4muFmFHV-lkp@intel.com/ > > All warnings (new ones prefixed by >>): > >>> mm/balloon.c:19:33: warning: 'balloon_page_device' defined but not used [-Wunused-function] > 19 | static struct balloon_dev_info *balloon_page_device(struct page *page) > | ^~~~~~~~~~~~~~~~~~~ > > > vim +/balloon_page_device +19 mm/balloon.c > > 50fe4326e833f0 mm/balloon_compaction.c David Hildenbrand (Red Hat 2026-01-20 18) > ecc7c3359cb476 mm/balloon_compaction.c David Hildenbrand (Red Hat 2026-01-20 @19) static struct balloon_dev_info *balloon_page_device(struct page *page) > ecc7c3359cb476 mm/balloon_compaction.c David Hildenbrand (Red Hat 2026-01-20 20) { > ecc7c3359cb476 mm/balloon_compaction.c David Hildenbrand (Red Hat 2026-01-20 21) return (struct balloon_dev_info *)page_private(page); > ecc7c3359cb476 mm/balloon_compaction.c David Hildenbrand (Red Hat 2026-01-20 22) } > ecc7c3359cb476 mm/balloon_compaction.c David Hildenbrand (Red Hat 2026-01-20 23) > > :::::: The code at line 19 was first introduced by commit > :::::: ecc7c3359cb47658444833b09785c2ceb8459a78 mm/balloon_compaction: move internal helpers to balloon_compaction.c > > :::::: TO: David Hildenbrand (Red Hat) > :::::: CC: Andrew Morton > https://lkml.kernel.org/r/27f0adf1-54c1-4d99-8b7f-fd45574e7f41@kernel.org -- Cheers David