From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 94BF1C433F5 for ; Tue, 10 May 2022 20:43:39 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 03AA66B0071; Tue, 10 May 2022 16:43:39 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id F2BBC6B0075; Tue, 10 May 2022 16:43:38 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id DCCD98D0001; Tue, 10 May 2022 16:43:38 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id C6AD56B0071 for ; Tue, 10 May 2022 16:43:38 -0400 (EDT) Received: from smtpin31.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 9B4B93203F for ; Tue, 10 May 2022 20:43:38 +0000 (UTC) X-FDA: 79451009316.31.B1B99BC Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by imf18.hostedemail.com (Postfix) with ESMTP id 84DD11C008B for ; Tue, 10 May 2022 20:43:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1652215415; x=1683751415; h=date:from:to:cc:subject:message-id:mime-version; bh=oAp4kv4wUhBg4cbo8eT2V+VQAbZdV+FZDr7miDk6eqg=; b=Qf2qspNf/leffFF04Y4H3SAW1xn8bYQtjyN3ouRwkqPweTlZn3G2IOrU fDQlxXtx3tCDWyanWXFq67KD+qLHI5xulCC6ShY3VjKGIcjTr7HE9jVZO 4DIFMExObQEtaA8MBY/6bmPFS73ROQ6lzvDnSkp9nPMsRKIhaZGWUX6Px ABVTVHjAL4AobDn4nuHakiRLqfjXdjBtLODlGu+twZG8R54wQg8Uz59Nw YSu5gdpSa6rlgeFayJ4uwfHSDr6aCh6p3Dtf71f69kC1V4S2P2+c5Wixy VhRMcxQb75wrlTTq4oNKo/uFyvFbC5QZMLe0gjHe+3EBV/BBjelm3oIHV w==; X-IronPort-AV: E=McAfee;i="6400,9594,10343"; a="294736096" X-IronPort-AV: E=Sophos;i="5.91,215,1647327600"; d="scan'208";a="294736096" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 May 2022 13:43:34 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,215,1647327600"; d="scan'208";a="711198632" Received: from lkp-server01.sh.intel.com (HELO 5056e131ad90) ([10.239.97.150]) by fmsmga001.fm.intel.com with ESMTP; 10 May 2022 13:43:32 -0700 Received: from kbuild by 5056e131ad90 with local (Exim 4.95) (envelope-from ) id 1noWhg-000IMQ-0C; Tue, 10 May 2022 20:43:32 +0000 Date: Wed, 11 May 2022 04:42:45 +0800 From: kernel test robot To: Miaohe Lin Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Andrew Morton , Linux Memory Management List , Naoya Horiguchi Subject: [akpm-mm:mm-unstable 175/431] mm/madvise.c:632:36: error: implicit declaration of function 'is_swapin_error_entry' Message-ID: <202205110409.O9A7aFSX-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Rspamd-Queue-Id: 84DD11C008B X-Stat-Signature: 61pr6s7h5tq4r7mdb7u8rxutq1qngziq X-Rspam-User: Authentication-Results: imf18.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=Qf2qspNf; spf=none (imf18.hostedemail.com: domain of lkp@intel.com has no SPF policy when checking 192.55.52.88) smtp.mailfrom=lkp@intel.com; dmarc=pass (policy=none) header.from=intel.com X-Rspamd-Server: rspam09 X-HE-Tag: 1652215405-812734 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: tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable head: 584a50635cc1deee2eeab5a17dfdcf9db7add21b commit: 8296b60c4ec05505344455818a30cb2774304acd [175/431] mm/madvise: free hwpoison and swapin error entry in madvise_free_pte_range config: parisc-randconfig-r036-20220509 (https://download.01.org/0day-ci/archive/20220511/202205110409.O9A7aFSX-lkp@intel.com/config) compiler: hppa-linux-gcc (GCC) 11.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git/commit/?id=8296b60c4ec05505344455818a30cb2774304acd git remote add akpm-mm https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git git fetch --no-tags akpm-mm mm-unstable git checkout 8296b60c4ec05505344455818a30cb2774304acd # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=parisc SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot Note: the akpm-mm/mm-unstable HEAD 584a50635cc1deee2eeab5a17dfdcf9db7add21b builds fine. It only hurts bisectability. All errors (new ones prefixed by >>): mm/madvise.c: In function 'madvise_free_pte_range': >> mm/madvise.c:632:36: error: implicit declaration of function 'is_swapin_error_entry' [-Werror=implicit-function-declaration] 632 | is_swapin_error_entry(entry)) { | ^~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/is_swapin_error_entry +632 mm/madvise.c 587 588 static int madvise_free_pte_range(pmd_t *pmd, unsigned long addr, 589 unsigned long end, struct mm_walk *walk) 590 591 { 592 struct mmu_gather *tlb = walk->private; 593 struct mm_struct *mm = tlb->mm; 594 struct vm_area_struct *vma = walk->vma; 595 spinlock_t *ptl; 596 pte_t *orig_pte, *pte, ptent; 597 struct page *page; 598 int nr_swap = 0; 599 unsigned long next; 600 601 next = pmd_addr_end(addr, end); 602 if (pmd_trans_huge(*pmd)) 603 if (madvise_free_huge_pmd(tlb, vma, pmd, addr, next)) 604 goto next; 605 606 if (pmd_trans_unstable(pmd)) 607 return 0; 608 609 tlb_change_page_size(tlb, PAGE_SIZE); 610 orig_pte = pte = pte_offset_map_lock(mm, pmd, addr, &ptl); 611 flush_tlb_batched_pending(mm); 612 arch_enter_lazy_mmu_mode(); 613 for (; addr != end; pte++, addr += PAGE_SIZE) { 614 ptent = *pte; 615 616 if (pte_none(ptent)) 617 continue; 618 /* 619 * If the pte has swp_entry, just clear page table to 620 * prevent swap-in which is more expensive rather than 621 * (page allocation + zeroing). 622 */ 623 if (!pte_present(ptent)) { 624 swp_entry_t entry; 625 626 entry = pte_to_swp_entry(ptent); 627 if (!non_swap_entry(entry)) { 628 nr_swap--; 629 free_swap_and_cache(entry); 630 pte_clear_not_present_full(mm, addr, pte, tlb->fullmm); 631 } else if (is_hwpoison_entry(entry) || > 632 is_swapin_error_entry(entry)) { 633 pte_clear_not_present_full(mm, addr, pte, tlb->fullmm); 634 } 635 continue; 636 } 637 638 page = vm_normal_page(vma, addr, ptent); 639 if (!page) 640 continue; 641 642 /* 643 * If pmd isn't transhuge but the page is THP and 644 * is owned by only this process, split it and 645 * deactivate all pages. 646 */ 647 if (PageTransCompound(page)) { 648 if (page_mapcount(page) != 1) 649 goto out; 650 get_page(page); 651 if (!trylock_page(page)) { 652 put_page(page); 653 goto out; 654 } 655 pte_unmap_unlock(orig_pte, ptl); 656 if (split_huge_page(page)) { 657 unlock_page(page); 658 put_page(page); 659 orig_pte = pte_offset_map_lock(mm, pmd, addr, &ptl); 660 goto out; 661 } 662 unlock_page(page); 663 put_page(page); 664 orig_pte = pte = pte_offset_map_lock(mm, pmd, addr, &ptl); 665 pte--; 666 addr -= PAGE_SIZE; 667 continue; 668 } 669 670 VM_BUG_ON_PAGE(PageTransCompound(page), page); 671 672 if (PageSwapCache(page) || PageDirty(page)) { 673 if (!trylock_page(page)) 674 continue; 675 /* 676 * If page is shared with others, we couldn't clear 677 * PG_dirty of the page. 678 */ 679 if (page_mapcount(page) != 1) { 680 unlock_page(page); 681 continue; 682 } 683 684 if (PageSwapCache(page) && !try_to_free_swap(page)) { 685 unlock_page(page); 686 continue; 687 } 688 689 ClearPageDirty(page); 690 unlock_page(page); 691 } 692 693 if (pte_young(ptent) || pte_dirty(ptent)) { 694 /* 695 * Some of architecture(ex, PPC) don't update TLB 696 * with set_pte_at and tlb_remove_tlb_entry so for 697 * the portability, remap the pte with old|clean 698 * after pte clearing. 699 */ 700 ptent = ptep_get_and_clear_full(mm, addr, pte, 701 tlb->fullmm); 702 703 ptent = pte_mkold(ptent); 704 ptent = pte_mkclean(ptent); 705 set_pte_at(mm, addr, pte, ptent); 706 tlb_remove_tlb_entry(tlb, pte, addr); 707 } 708 mark_page_lazyfree(page); 709 } 710 out: 711 if (nr_swap) { 712 if (current->mm == mm) 713 sync_mm_rss(mm); 714 715 add_mm_counter(mm, MM_SWAPENTS, nr_swap); 716 } 717 arch_leave_lazy_mmu_mode(); 718 pte_unmap_unlock(orig_pte, ptl); 719 cond_resched(); 720 next: 721 return 0; 722 } 723 -- 0-DAY CI Kernel Test Service https://01.org/lkp