From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 83B91DF4F for ; Sat, 26 Aug 2023 18:15:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1693073724; x=1724609724; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=sow/NUD0MSkiIp8x5GRqQtIOQTiTt/joLibtDQWus5o=; b=H+VBWrnfRBXOS53nT4pGsY141OfFk6DVW0M4OFl/CGY3X31LsNNJE57+ LSDk7nsA+pyNTKzI4XCIsfsZYzI1B5A8oPi7S1It29MsxWWjOKtni2PuN PJ3ySLolbp3WtjIwLHrOFAGpBCIes2kOh6uL+PafxHE5ixMhCW3QMQD/m 1/+gqXwqKUDG/0ABcEIIX1t5U4/DzAKe3Nlizt65kFn+dVMMfx8O1xd8T +oIe8HIuOrQkPZKOnc49SMsL95l2u8LmmaPVPOa+X48N0wkvJhPEUaEQz 1M0S6/S6yo8yVrY3E29UAHOyE4Eh5b5gtM7MEACmpCq8vH2PcypXcuyBh Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10814"; a="378673439" X-IronPort-AV: E=Sophos;i="6.02,203,1688454000"; d="scan'208";a="378673439" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Aug 2023 11:15:23 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.01,202,1684825200"; d="scan'208";a="881491461" Received: from lkp-server02.sh.intel.com (HELO daf8bb0a381d) ([10.239.97.151]) by fmsmga001.fm.intel.com with ESMTP; 26 Aug 2023 11:15:24 -0700 Received: from kbuild by daf8bb0a381d with local (Exim 4.96) (envelope-from ) id 1qZxoc-0004yF-2W; Sat, 26 Aug 2023 18:15:18 +0000 Date: Sun, 27 Aug 2023 02:14:42 +0800 From: kernel test robot To: Mike Kravetz , linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, Muchun Song , Joao Martins , Oscar Salvador , David Hildenbrand , Miaohe Lin , David Rientjes , Anshuman Khandual , Naoya Horiguchi , Barry Song , Michal Hocko , Matthew Wilcox , Xiongchun Duan , Andrew Morton , Linux Memory Management List , Mike Kravetz Subject: Re: [PATCH 10/12] hugetlb: batch PMD split for bulk vmemmap dedup Message-ID: <202308270248.eJT8UDG3-lkp@intel.com> References: <20230825190436.55045-11-mike.kravetz@oracle.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230825190436.55045-11-mike.kravetz@oracle.com> Hi Mike, kernel test robot noticed the following build warnings: [auto build test WARNING on next-20230825] [cannot apply to akpm-mm/mm-everything v6.5-rc7 v6.5-rc6 v6.5-rc5 linus/master v6.5-rc7] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Mike-Kravetz/hugetlb-clear-flags-in-tail-pages-that-will-be-freed-individually/20230826-030805 base: next-20230825 patch link: https://lore.kernel.org/r/20230825190436.55045-11-mike.kravetz%40oracle.com patch subject: [PATCH 10/12] hugetlb: batch PMD split for bulk vmemmap dedup config: x86_64-randconfig-r031-20230826 (https://download.01.org/0day-ci/archive/20230827/202308270248.eJT8UDG3-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230827/202308270248.eJT8UDG3-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/202308270248.eJT8UDG3-lkp@intel.com/ All warnings (new ones prefixed by >>): >> mm/hugetlb_vmemmap.c:40: warning: Function parameter or member 'flags' not described in 'vmemmap_remap_walk' vim +40 mm/hugetlb_vmemmap.c f41f2ed43ca525 Muchun Song 2021-06-30 19 998a2997885f73 Muchun Song 2022-06-28 20 /** 998a2997885f73 Muchun Song 2022-06-28 21 * struct vmemmap_remap_walk - walk vmemmap page table 998a2997885f73 Muchun Song 2022-06-28 22 * 998a2997885f73 Muchun Song 2022-06-28 23 * @remap_pte: called for each lowest-level entry (PTE). 998a2997885f73 Muchun Song 2022-06-28 24 * @nr_walked: the number of walked pte. 998a2997885f73 Muchun Song 2022-06-28 25 * @reuse_page: the page which is reused for the tail vmemmap pages. 998a2997885f73 Muchun Song 2022-06-28 26 * @reuse_addr: the virtual address of the @reuse_page page. 998a2997885f73 Muchun Song 2022-06-28 27 * @vmemmap_pages: the list head of the vmemmap pages that can be freed 998a2997885f73 Muchun Song 2022-06-28 28 * or is mapped from. 506a27a4627ab7 Joao Martins 2023-08-25 29 * @flags used to modify behavior in bulk operations 998a2997885f73 Muchun Song 2022-06-28 30 */ 998a2997885f73 Muchun Song 2022-06-28 31 struct vmemmap_remap_walk { 998a2997885f73 Muchun Song 2022-06-28 32 void (*remap_pte)(pte_t *pte, unsigned long addr, 998a2997885f73 Muchun Song 2022-06-28 33 struct vmemmap_remap_walk *walk); 998a2997885f73 Muchun Song 2022-06-28 34 unsigned long nr_walked; 998a2997885f73 Muchun Song 2022-06-28 35 struct page *reuse_page; 998a2997885f73 Muchun Song 2022-06-28 36 unsigned long reuse_addr; 998a2997885f73 Muchun Song 2022-06-28 37 struct list_head *vmemmap_pages; 506a27a4627ab7 Joao Martins 2023-08-25 38 #define VMEMMAP_REMAP_ONLY_SPLIT BIT(0) 506a27a4627ab7 Joao Martins 2023-08-25 39 unsigned long flags; 998a2997885f73 Muchun Song 2022-06-28 @40 }; 998a2997885f73 Muchun Song 2022-06-28 41 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki