From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) (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 1B22C23BF for ; Sat, 23 Mar 2024 07:12:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.17 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711177975; cv=none; b=kdmPSSiNA0bXy+rNEdYpyfLOpvbBXvKqzRbHiWbuR3homB4TgcocHDDwCoGrfF1Q9+cNuihZVU4uLdWyWhEAM+EO1CZQTOQAj5Qhvq0e8984VhepoHEkbKPD642UFgf6ronMVBPSFA9ABl+ehnaKaf7e44A6acSvq0aoM4Pk1G8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711177975; c=relaxed/simple; bh=cSWgzeObFxPAgbblskyGZUiGuE1cbDz3Kn/2uNbQNd4=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=iJyhhxLzxjaoLc6ogAirgcssfLsi8+jGVMUqfACi+Fh77z2/4vVvNWuewH4RY1zxa8VOrQZVXEwkYjnnhGM3ELOy0KrrAKhvBml/KVmJ65CcHsj+SyEN1LvkEHYSSF7odiJVKGK7MPhsR9yAnUoGYXjzMX2qlIJDS6sKKFkSxaQ= 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=XXj3c3wC; arc=none smtp.client-ip=198.175.65.17 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="XXj3c3wC" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1711177974; x=1742713974; h=date:from:to:cc:subject:message-id:mime-version; bh=cSWgzeObFxPAgbblskyGZUiGuE1cbDz3Kn/2uNbQNd4=; b=XXj3c3wCXzfNcj08RxiPXqdrDJYS+qPHLVvSSnk/2DbuQRH5bn7sdLJv P6d/X4DogqyL6/YdlNTSY0NkXf5HIfgYg4IbeTROR+fniifWVICKqi6te q8+YtPi6AWcViXhSnlRaACsNRaX8v5Sz1VY+p9361udT8DGz40JTNde28 MY3M8jXTE7+fSmXtQcScPZz6dy9L4xbZkVeTyCpZMgKMhFOCAHVEIN+Ej jlmh5rKknBebTbM3esVNSJjUFnS5cCZ13voqdyukum1XjOFnw4VfN77Wd gsC5Y1tFCryQ9GtdTA7wEi7cZpl6CR//Ynmsp2wnaOTdFFzi/mXEaQufi g==; X-IronPort-AV: E=McAfee;i="6600,9927,11021"; a="6345647" X-IronPort-AV: E=Sophos;i="6.07,148,1708416000"; d="scan'208";a="6345647" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Mar 2024 00:12:53 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,148,1708416000"; d="scan'208";a="46262885" Received: from lkp-server01.sh.intel.com (HELO b21307750695) ([10.239.97.150]) by fmviesa001.fm.intel.com with ESMTP; 23 Mar 2024 00:12:51 -0700 Received: from kbuild by b21307750695 with local (Exim 4.96) (envelope-from ) id 1rnvYf-000KxH-0v; Sat, 23 Mar 2024 07:12:49 +0000 Date: Sat, 23 Mar 2024 15:12:08 +0800 From: kernel test robot To: Peter Xu Cc: oe-kbuild-all@lists.linux.dev, Andrew Morton , Linux Memory Management List , Jason Gunthorpe Subject: [akpm-mm:mm-unstable 115/141] mm/gup.c:536:29: error: implicit declaration of function 'pud_pfn'; did you mean 'pmd_pfn'? Message-ID: <202403231529.HRev1zcD-lkp@intel.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 tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable head: af520f81c51001f7ccdf0579fc73df282b26292d commit: 529f3b89b7333564792458ca7be06f5bff258d23 [115/141] mm/gup: handle huge pud for follow_pud_mask() config: sh-defconfig (https://download.01.org/0day-ci/archive/20240323/202403231529.HRev1zcD-lkp@intel.com/config) compiler: sh4-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240323/202403231529.HRev1zcD-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/202403231529.HRev1zcD-lkp@intel.com/ All errors (new ones prefixed by >>): mm/gup.c: In function 'follow_huge_pud': >> mm/gup.c:536:29: error: implicit declaration of function 'pud_pfn'; did you mean 'pmd_pfn'? [-Werror=implicit-function-declaration] 536 | unsigned long pfn = pud_pfn(pud); | ^~~~~~~ | pmd_pfn cc1: some warnings being treated as errors vim +536 mm/gup.c 527 528 #ifdef CONFIG_PGTABLE_HAS_HUGE_LEAVES 529 static struct page *follow_huge_pud(struct vm_area_struct *vma, 530 unsigned long addr, pud_t *pudp, 531 int flags, struct follow_page_context *ctx) 532 { 533 struct mm_struct *mm = vma->vm_mm; 534 struct page *page; 535 pud_t pud = *pudp; > 536 unsigned long pfn = pud_pfn(pud); 537 int ret; 538 539 assert_spin_locked(pud_lockptr(mm, pudp)); 540 541 if ((flags & FOLL_WRITE) && !pud_write(pud)) 542 return NULL; 543 544 if (!pud_present(pud)) 545 return NULL; 546 547 pfn += (addr & ~PUD_MASK) >> PAGE_SHIFT; 548 549 if (IS_ENABLED(CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD) && 550 pud_devmap(pud)) { 551 /* 552 * device mapped pages can only be returned if the caller 553 * will manage the page reference count. 554 * 555 * At least one of FOLL_GET | FOLL_PIN must be set, so 556 * assert that here: 557 */ 558 if (!(flags & (FOLL_GET | FOLL_PIN))) 559 return ERR_PTR(-EEXIST); 560 561 if (flags & FOLL_TOUCH) 562 touch_pud(vma, addr, pudp, flags & FOLL_WRITE); 563 564 ctx->pgmap = get_dev_pagemap(pfn, ctx->pgmap); 565 if (!ctx->pgmap) 566 return ERR_PTR(-EFAULT); 567 } 568 569 page = pfn_to_page(pfn); 570 571 if (!pud_devmap(pud) && !pud_write(pud) && 572 gup_must_unshare(vma, flags, page)) 573 return ERR_PTR(-EMLINK); 574 575 ret = try_grab_page(page, flags); 576 if (ret) 577 page = ERR_PTR(ret); 578 else 579 ctx->page_mask = HPAGE_PUD_NR - 1; 580 581 return page; 582 } 583 #else /* CONFIG_PGTABLE_HAS_HUGE_LEAVES */ 584 static struct page *follow_huge_pud(struct vm_area_struct *vma, 585 unsigned long addr, pud_t *pudp, 586 int flags, struct follow_page_context *ctx) 587 { 588 return NULL; 589 } 590 #endif /* CONFIG_PGTABLE_HAS_HUGE_LEAVES */ 591 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki