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X-CSE-ConnectionGUID: mRpz8ZUeSLC1xQq7YriWoA== X-CSE-MsgGUID: aV2v1EoYS8OA/mDEVP8HVA== X-IronPort-AV: E=McAfee;i="6800,10657,11676"; a="73944419" X-IronPort-AV: E=Sophos;i="6.21,239,1763452800"; d="scan'208";a="73944419" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Jan 2026 21:32:40 -0800 X-CSE-ConnectionGUID: S7HTKvdpQ5ixP4bZJRk+pQ== X-CSE-MsgGUID: c5XJGEJUS72pSchcb9uX8Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,239,1763452800"; d="scan'208";a="210162890" Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by orviesa003.jf.intel.com with ESMTP; 19 Jan 2026 21:32:39 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vi4M0-00000000Obd-0iIP; Tue, 20 Jan 2026 05:32:36 +0000 Date: Tue, 20 Jan 2026 13:31:42 +0800 From: kernel test robot To: "David Hildenbrand (Red Hat)" Cc: oe-kbuild-all@lists.linux.dev, Andrew Morton , Linux Memory Management List , Lorenzo Stoakes Subject: [akpm-mm:mm-unstable 319/345] mm/balloon.c:19:33: warning: 'balloon_page_device' defined but not used Message-ID: <202601201338.4muFmFHV-lkp@intel.com> User-Agent: s-nail v14.9.25 X-Stat-Signature: jnu7mb9oaiey3gwc9r4yqh9osmcm66ex X-Rspam-User: X-Rspamd-Queue-Id: 7F5271C0002 X-Rspamd-Server: rspam08 X-HE-Tag: 1768887161-130965 X-HE-Meta: U2FsdGVkX1/vaxeahbq2xWen95yxofrhxk1FWOpQSwJPQzmNUI1Aw9TDREASi2M2SbIlZWl7hDySos/I3qHv8lXD/s8eyheBZYBHMcwN5yvEyzZi5hIwnAtfB9pQNpNmSaSewUSXxPcgpOwLAD7DlJbn5Jm2VpehNwNMAbqlQsupicn7431vJfmrUE0EBNI+CmgdoOlD721tAgPbSUBsPDRbTGXFZvPyDszG6wmZmNbFF/VRKs2PtJbiT+Ym1ZVtzNGyTyAMevFR4IyORELBeGPCjSGvfsK08bBXn3hHYlQDCbZXA4ZYVhqlHKjnh55h3v7GcrUvC2wvPtbAisUuaNPw9QF8ZOLtsgQgv14y2m+kp1Hw2HnoBB3qoRhHZhjPmjrrNNMz6JXN1/KX49W0Gm2msGAWRBYZj3VBSRd+XcPErn2RqqoECtMX0PS8Jr4tQct1zzhsd5a0HQpH0+VUz8V/b6fpPLEJTFEb26bY0oLGqAdBWCpQgorMSCwK8J88sIpO8TjD/hZe0EtcoL9+EoW6Ea+rBOe0PCZPXyfkjBT+TourcOHb4OjtgkbaO6mhkbg3C7WLeOum6NyU1SKmEWwtKnpSFQ+0wybd/Mb03Sjc9VesYDkYtrIINOJAzOdWFo7KTxjVi6F6aMLXOvpDIzBQp2dZYq6UmQlyfQcmkIRnPt9QwPAjHsQ0Yv3oS5GoERTF6bWpAXBvHgdlyv6fRtCxFUXGcIdqm0GuzwumGk3/IJNPKW9Z0AdbYfSCqbX3KoBCOwboDAb6aHiiRQVo+nqdkMkkIMeoUT2McR1rtINN/ZIWVU8Nsxvf0i/jRg0QfpBeP1Fvn8xRJBrhWzQp12+s7uzNwpstMD/pBHKSXKLf4yBRlNG6EsjUzAY/p16ffk800XoLRTEBZdJSgZOjNSA6AU3eCC0hSqjP6jSOi67+wdHPXAqYwhQCL2GZ2VR89/H+4Iin1Unn6XOAMdt hG7xPlvp p1EMJoEA4r/fHGzRiVOutifaCEvfNO7hgd6ERdQnt8w9ewOCH8giqXZvycKzc1PbBS4YxN1fW840pQ/7YHqP0i60puDCwdC7zq/GnMftPijiF0zg2wcke3de9C+SikxWRRnPI3Li6gvjSqOplxtjjrx1pmYWaf/rhB9e3niAk+cWFeMlUbm7McZAbN8iwYgIoK6zmzakyBUsb+5VW9pGWtsUGawx8Smk+J2+Ea1MT+4Bc5EIo9m7YIMnrj6ixH7r/YL/QlBI5YVCvNzebq7c/0qc2T6Fb8PpfPoPyKdfn19qN+DgKw6i8VwHMHNePpDJrnF0QcWqvl86tcisQwDT/ELUV6RC+EJaJXWAQ 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: 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 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki