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X-CSE-ConnectionGUID: CkWN9Mm9TKyn2B/YHxkjzw== X-CSE-MsgGUID: qHJWDO8qT4KEGImR4+/Z4Q== X-IronPort-AV: E=McAfee;i="6800,10657,11861"; a="96725693" X-IronPort-AV: E=Sophos;i="6.25,196,1779174000"; d="scan'208";a="96725693" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Jul 2026 08:25:36 -0700 X-CSE-ConnectionGUID: fvuRZJw8SGub/QJ07bmAbw== X-CSE-MsgGUID: YrZxYD0vTDO4xXl02W8IQQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,196,1779174000"; d="scan'208";a="298825372" Received: from lkp-server01.sh.intel.com (HELO 6eda058d650d) ([10.239.97.150]) by orviesa001.jf.intel.com with ESMTP; 31 Jul 2026 08:25:35 -0700 Received: from kbuild by 6eda058d650d with local (Exim 4.98.2) (envelope-from ) id 1wpp76-000000001O1-2Sf4; Fri, 31 Jul 2026 15:25:32 +0000 Date: Fri, 31 Jul 2026 23:25:07 +0800 From: kernel test robot To: cros-kernel-buildreports@googlegroups.com Cc: oe-kbuild-all@lists.linux.dev Subject: [android-common:android12-5.10 2/2] mm/swap.c:778: warning: Function parameter or member 'tail' not described in 'mark_page_lazyfree_movetail' Message-ID: <202607312302.NvrNuo1y-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Hi Charan, FYI, the error/warning still remains. tree: https://android.googlesource.com/kernel/common android12-5.10 head: 1290154c48656bd1012a837076a0fbe379330eb3 commit: 8011eb22150e5bb6eb1834ce9913f36081d48ab5 [2/2] ANDROID: mm: provision to add shmem pages to inactive file lru head config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20260731/202607312302.NvrNuo1y-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260731/202607312302.NvrNuo1y-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/202607312302.NvrNuo1y-lkp@intel.com/ All warnings (new ones prefixed by >>): mm/swap.c:502: warning: Function parameter or member 'vma_flags' not described in '__lru_cache_add_inactive_or_unevictable' mm/swap.c:502: warning: Excess function parameter 'vma' description in '__lru_cache_add_inactive_or_unevictable' >> mm/swap.c:778: warning: Function parameter or member 'tail' not described in 'mark_page_lazyfree_movetail' vim +778 mm/swap.c 10853a039208c4a Minchan Kim 2016-01-15 769 9975da5f43bb72a Vinayak Menon 2021-03-18 770 /** 9975da5f43bb72a Vinayak Menon 2021-03-18 771 * mark_page_lazyfree_movetail - make a swapbacked page lazyfree 9975da5f43bb72a Vinayak Menon 2021-03-18 772 * @page: page to deactivate 9975da5f43bb72a Vinayak Menon 2021-03-18 773 * 9975da5f43bb72a Vinayak Menon 2021-03-18 774 * mark_page_lazyfree_movetail() moves @page to the tail of inactive file list. 9975da5f43bb72a Vinayak Menon 2021-03-18 775 * This is done to accelerate the reclaim of @page. 9975da5f43bb72a Vinayak Menon 2021-03-18 776 */ 8011eb22150e5bb Charan Teja Reddy 2021-06-25 777 void mark_page_lazyfree_movetail(struct page *page, bool tail) 9975da5f43bb72a Vinayak Menon 2021-03-18 @778 { 9975da5f43bb72a Vinayak Menon 2021-03-18 779 if (PageLRU(page) && !PageUnevictable(page) && PageSwapBacked(page) && 9975da5f43bb72a Vinayak Menon 2021-03-18 780 !PageSwapCache(page)) { 9975da5f43bb72a Vinayak Menon 2021-03-18 781 struct pagevec *pvec; 9975da5f43bb72a Vinayak Menon 2021-03-18 782 9975da5f43bb72a Vinayak Menon 2021-03-18 783 local_lock(&lru_pvecs.lock); 9975da5f43bb72a Vinayak Menon 2021-03-18 784 pvec = this_cpu_ptr(&lru_pvecs.lru_lazyfree_movetail); 9975da5f43bb72a Vinayak Menon 2021-03-18 785 get_page(page); 9975da5f43bb72a Vinayak Menon 2021-03-18 786 if (pagevec_add_and_need_flush(pvec, page)) 9975da5f43bb72a Vinayak Menon 2021-03-18 787 pagevec_lru_move_fn(pvec, 8011eb22150e5bb Charan Teja Reddy 2021-06-25 788 lru_lazyfree_movetail_fn, &tail); 9975da5f43bb72a Vinayak Menon 2021-03-18 789 local_unlock(&lru_pvecs.lock); 9975da5f43bb72a Vinayak Menon 2021-03-18 790 } 9975da5f43bb72a Vinayak Menon 2021-03-18 791 } 9975da5f43bb72a Vinayak Menon 2021-03-18 792 :::::: The code at line 778 was first introduced by commit :::::: 9975da5f43bb72a37faf3981709fff766ab4ca15 ANDROID: mm: allow fast reclaim of shmem pages :::::: TO: Vinayak Menon :::::: CC: Suren Baghdasaryan -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki