From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.19]) (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 425D514A4C9 for ; Mon, 5 Aug 2024 21:03:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722891815; cv=none; b=DfZzQbmPZxJzkIWpY83yBFOhXg5SqccI2aMCc+8UszNdo9z8YjP1sKDpw3G3/JULDQJAPMwBoBoO9jMVJr2ThSerap5e30CjjHihiNA/RqtacD0D3IyDMlYf7+pl2QHGvkL/OdCTHSkRg8oFI+0yl5jiLPpeeKhgsYJsASZnzpA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722891815; c=relaxed/simple; bh=ybRRc0qCYMWUNdwHoCSea8Pm2hzhy6osyIzBAfrVz2I=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Ic+/NhpUonFqqNz4ZJ39xC1awt7zN0yf6u6k6CoIpNGnhCQnqXcnJUHZHmfwqYysMHMNHT48Wxn+Fb3tAjGhmRtf5Eltl9/ZXEzeYdakzvxe2FJ7dJ6v4HwPqJ+zR3OwyURHVxg9X5Cb9043d8Ea9CiSHZxgZpvGmvYSo66P/+c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=K5ld5JID; arc=none smtp.client-ip=192.198.163.19 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="K5ld5JID" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1722891813; x=1754427813; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=ybRRc0qCYMWUNdwHoCSea8Pm2hzhy6osyIzBAfrVz2I=; b=K5ld5JIDxxQKk/o/GG4/ElBArar1fDltWzg0yuhmujhGgEWhZBoiDK7a W5FbIsvXp10vNQPUpcDun/jabaklo2fT5HmWslFS7dQ9OaJnZa3gwfa+L hMlrtEa66ZkXNZMVGDw3KkP6TpDVcefqeGJMxs2lAykDc99LfE0K6HWZw ha3XP/6cg7Ak1lJ5V62WTo2xT3t1OV8aug1ZFYR+hfbhC37plfmMEgTGT I6j/ayg5caqX28x1b14iBnnN4A9r/V4CoNMLHpqz4Ee2QwwNqb/AHIiyb XeWGkfxkaOBB1u7PXsE8zbSn1sFxbnMYnTpXPaNm+9/HZAwr/4WeoNler g==; X-CSE-ConnectionGUID: jf1c6en6ShKRwv9mTWua1g== X-CSE-MsgGUID: m0JILo5eRkmlYyQWToSwuw== X-IronPort-AV: E=McAfee;i="6700,10204,11155"; a="20553524" X-IronPort-AV: E=Sophos;i="6.09,265,1716274800"; d="scan'208";a="20553524" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Aug 2024 14:03:33 -0700 X-CSE-ConnectionGUID: k9LgWkaXRaGW8EB5QerMXA== X-CSE-MsgGUID: RCv3YLyCQwyIuqtAgsrP3w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,265,1716274800"; d="scan'208";a="60908630" Received: from unknown (HELO b6bf6c95bbab) ([10.239.97.151]) by fmviesa004.fm.intel.com with ESMTP; 05 Aug 2024 14:03:29 -0700 Received: from kbuild by b6bf6c95bbab with local (Exim 4.96) (envelope-from ) id 1sb4rX-0003j6-2G; Mon, 05 Aug 2024 21:03:27 +0000 Date: Tue, 6 Aug 2024 05:03:00 +0800 From: kernel test robot To: Oscar Salvador , Andrew Morton Cc: oe-kbuild-all@lists.linux.dev, Linux Memory Management List , linux-kernel@vger.kernel.org, Peter Xu , Muchun Song , David Hildenbrand , Donet Tom , Matthew Wilcox , Vlastimil Babka , Michal Hocko , Oscar Salvador Subject: Re: [PATCH v2 6/9] mm: Make hugetlb mappings go through mm_get_unmapped_area_vmflags Message-ID: <202408060456.yBmmX9hr-lkp@intel.com> References: <20240729091018.2152-7-osalvador@suse.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240729091018.2152-7-osalvador@suse.de> Hi Oscar, kernel test robot noticed the following build warnings: [auto build test WARNING on s390/features] [also build test WARNING on akpm-mm/mm-everything powerpc/next powerpc/fixes deller-parisc/for-next arnd-asm-generic/master linus/master v6.11-rc2 next-20240805] [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/Oscar-Salvador/mm-mmap-Teach-generic_get_unmapped_area-_topdown-to-handle-hugetlb-mappings/20240729-171449 base: https://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git features patch link: https://lore.kernel.org/r/20240729091018.2152-7-osalvador%40suse.de patch subject: [PATCH v2 6/9] mm: Make hugetlb mappings go through mm_get_unmapped_area_vmflags config: x86_64-randconfig-012-20240802 (https://download.01.org/0day-ci/archive/20240806/202408060456.yBmmX9hr-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240806/202408060456.yBmmX9hr-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/202408060456.yBmmX9hr-lkp@intel.com/ All warnings (new ones prefixed by >>): >> arch/x86/mm/hugetlbpage.c:84:1: warning: no previous prototype for 'hugetlb_get_unmapped_area' [-Wmissing-prototypes] 84 | hugetlb_get_unmapped_area(struct file *file, unsigned long addr, | ^~~~~~~~~~~~~~~~~~~~~~~~~ vim +/hugetlb_get_unmapped_area +84 arch/x86/mm/hugetlbpage.c ^1da177e4c3f41 arch/i386/mm/hugetlbpage.c Linus Torvalds 2005-04-16 82 ^1da177e4c3f41 arch/i386/mm/hugetlbpage.c Linus Torvalds 2005-04-16 83 unsigned long ^1da177e4c3f41 arch/i386/mm/hugetlbpage.c Linus Torvalds 2005-04-16 @84 hugetlb_get_unmapped_area(struct file *file, unsigned long addr, ^1da177e4c3f41 arch/i386/mm/hugetlbpage.c Linus Torvalds 2005-04-16 85 unsigned long len, unsigned long pgoff, unsigned long flags) ^1da177e4c3f41 arch/i386/mm/hugetlbpage.c Linus Torvalds 2005-04-16 86 { 39c11e6c05b7fe arch/x86/mm/hugetlbpage.c Andi Kleen 2008-07-23 87 struct hstate *h = hstate_file(file); ^1da177e4c3f41 arch/i386/mm/hugetlbpage.c Linus Torvalds 2005-04-16 88 struct mm_struct *mm = current->mm; ^1da177e4c3f41 arch/i386/mm/hugetlbpage.c Linus Torvalds 2005-04-16 89 struct vm_area_struct *vma; ^1da177e4c3f41 arch/i386/mm/hugetlbpage.c Linus Torvalds 2005-04-16 90 39c11e6c05b7fe arch/x86/mm/hugetlbpage.c Andi Kleen 2008-07-23 91 if (len & ~huge_page_mask(h)) ^1da177e4c3f41 arch/i386/mm/hugetlbpage.c Linus Torvalds 2005-04-16 92 return -EINVAL; 44b04912fa7248 arch/x86/mm/hugetlbpage.c Kirill A. Shutemov 2017-07-17 93 ^1da177e4c3f41 arch/i386/mm/hugetlbpage.c Linus Torvalds 2005-04-16 94 if (len > TASK_SIZE) ^1da177e4c3f41 arch/i386/mm/hugetlbpage.c Linus Torvalds 2005-04-16 95 return -ENOMEM; ^1da177e4c3f41 arch/i386/mm/hugetlbpage.c Linus Torvalds 2005-04-16 96 1e0f25dbf2464d arch/x86/mm/hugetlbpage.c Kirill A. Shutemov 2017-11-15 97 /* No address checking. See comment at mmap_address_hint_valid() */ 5a8130f2b186ac arch/i386/mm/hugetlbpage.c Benjamin Herrenschmidt 2007-05-06 98 if (flags & MAP_FIXED) { a5516438959d90 arch/x86/mm/hugetlbpage.c Andi Kleen 2008-07-23 99 if (prepare_hugepage_range(file, addr, len)) 5a8130f2b186ac arch/i386/mm/hugetlbpage.c Benjamin Herrenschmidt 2007-05-06 100 return -EINVAL; 5a8130f2b186ac arch/i386/mm/hugetlbpage.c Benjamin Herrenschmidt 2007-05-06 101 return addr; 5a8130f2b186ac arch/i386/mm/hugetlbpage.c Benjamin Herrenschmidt 2007-05-06 102 } 5a8130f2b186ac arch/i386/mm/hugetlbpage.c Benjamin Herrenschmidt 2007-05-06 103 ^1da177e4c3f41 arch/i386/mm/hugetlbpage.c Linus Torvalds 2005-04-16 104 if (addr) { 1e0f25dbf2464d arch/x86/mm/hugetlbpage.c Kirill A. Shutemov 2017-11-15 105 addr &= huge_page_mask(h); 1e0f25dbf2464d arch/x86/mm/hugetlbpage.c Kirill A. Shutemov 2017-11-15 106 if (!mmap_address_hint_valid(addr, len)) 1e0f25dbf2464d arch/x86/mm/hugetlbpage.c Kirill A. Shutemov 2017-11-15 107 goto get_unmapped_area; 1e0f25dbf2464d arch/x86/mm/hugetlbpage.c Kirill A. Shutemov 2017-11-15 108 ^1da177e4c3f41 arch/i386/mm/hugetlbpage.c Linus Torvalds 2005-04-16 109 vma = find_vma(mm, addr); 1e0f25dbf2464d arch/x86/mm/hugetlbpage.c Kirill A. Shutemov 2017-11-15 110 if (!vma || addr + len <= vm_start_gap(vma)) ^1da177e4c3f41 arch/i386/mm/hugetlbpage.c Linus Torvalds 2005-04-16 111 return addr; ^1da177e4c3f41 arch/i386/mm/hugetlbpage.c Linus Torvalds 2005-04-16 112 } 1e0f25dbf2464d arch/x86/mm/hugetlbpage.c Kirill A. Shutemov 2017-11-15 113 1e0f25dbf2464d arch/x86/mm/hugetlbpage.c Kirill A. Shutemov 2017-11-15 114 get_unmapped_area: 529ce23a764f25 arch/x86/mm/hugetlbpage.c Rick Edgecombe 2024-03-25 115 if (!test_bit(MMF_TOPDOWN, &mm->flags)) ^1da177e4c3f41 arch/i386/mm/hugetlbpage.c Linus Torvalds 2005-04-16 116 return hugetlb_get_unmapped_area_bottomup(file, addr, len, ^1da177e4c3f41 arch/i386/mm/hugetlbpage.c Linus Torvalds 2005-04-16 117 pgoff, flags); ^1da177e4c3f41 arch/i386/mm/hugetlbpage.c Linus Torvalds 2005-04-16 118 else ^1da177e4c3f41 arch/i386/mm/hugetlbpage.c Linus Torvalds 2005-04-16 119 return hugetlb_get_unmapped_area_topdown(file, addr, len, ^1da177e4c3f41 arch/i386/mm/hugetlbpage.c Linus Torvalds 2005-04-16 120 pgoff, flags); ^1da177e4c3f41 arch/i386/mm/hugetlbpage.c Linus Torvalds 2005-04-16 121 } fd8526ad14c182 arch/x86/mm/hugetlbpage.c Kirill A. Shutemov 2013-11-19 122 #endif /* CONFIG_HUGETLB_PAGE */ ^1da177e4c3f41 arch/i386/mm/hugetlbpage.c Linus Torvalds 2005-04-16 123 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki