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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D4257C433FE for ; Tue, 12 Apr 2022 23:18:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229658AbiDLXUR (ORCPT ); Tue, 12 Apr 2022 19:20:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51708 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229663AbiDLXTf (ORCPT ); Tue, 12 Apr 2022 19:19:35 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 27E1B6EB36 for ; Tue, 12 Apr 2022 16:02:47 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id D70ABB82077 for ; Tue, 12 Apr 2022 23:02:45 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8CE00C385A1; Tue, 12 Apr 2022 23:02:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1649804564; bh=GIkeamROFHESDzZAb5I2MxgFKTJgvGKsA491le2ItNY=; h=Date:To:From:Subject:From; b=F4m1K5r2wbJtEMXJ9ZOB8e1I5xGuszddKXLEvkJDd0vNi/nNmBYILvoWeqHYYr+X9 gwhiBiehJDy0BLvaxTyDOlutmL9ISRH3D9Qn5Vsuh58UdcIfDztcRPyGrBl0xJWoQx +rF7oZl1uJ0eJ/Kbqnj4F+xx7HcUGYYUc6KDBLFM= Date: Tue, 12 Apr 2022 16:02:43 -0700 To: mm-commits@vger.kernel.org, shy828301@gmail.com, naoya.horiguchi@nec.com, mike.kravetz@oracle.com, david@redhat.com, linmiaohe@huawei.com, akpm@linux-foundation.org From: Andrew Morton Subject: [to-be-updated] mm-memory-failurec-dissolve-truncated-hugetlb-page.patch removed from -mm tree Message-Id: <20220412230244.8CE00C385A1@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: mm/memory-failure.c: dissolve truncated hugetlb page has been removed from the -mm tree. Its filename was mm-memory-failurec-dissolve-truncated-hugetlb-page.patch This patch was dropped because an updated version will be merged ------------------------------------------------------ From: Miaohe Lin Subject: mm/memory-failure.c: dissolve truncated hugetlb page If me_huge_page meets a truncated huge page, hpage won't be dissolved even if we hold the last refcnt. It's because the truncated huge page has NULL page_mapping while it's not anonymous page too. Thus we lose the last chance to dissolve it into buddy to save healthy subpages. Remove PageAnon check to handle these huge pages too. Link: https://lkml.kernel.org/r/20220407130352.15618-4-linmiaohe@huawei.com Signed-off-by: Miaohe Lin Cc: David Hildenbrand Cc: Mike Kravetz Cc: Naoya Horiguchi Cc: Yang Shi Signed-off-by: Andrew Morton --- mm/memory-failure.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/mm/memory-failure.c~mm-memory-failurec-dissolve-truncated-hugetlb-page +++ a/mm/memory-failure.c @@ -1046,8 +1046,7 @@ static int me_huge_page(struct page_stat * hugepage, so we can free and dissolve it into buddy to * save healthy subpages. */ - if (PageAnon(hpage)) - put_page(hpage); + put_page(hpage); if (__page_handle_poison(p)) { page_ref_inc(p); res = MF_RECOVERED; _ Patches currently in -mm which might be from linmiaohe@huawei.com are mm-shmem-make-shmem_init-return-void.patch mm-memcg-remove-unneeded-nr_scanned.patch mm-mmapc-use-helper-mlock_future_check.patch mm-mremap-use-helper-mlock_future_check.patch mm-mremap-avoid-unneeded-do_munmap-call.patch mm-vmscan-remove-obsolete-comment-in-get_scan_count.patch mm-z3fold-declare-z3fold_mount-with-__init.patch mm-z3fold-remove-obsolete-comment-in-z3fold_alloc.patch mm-z3fold-minor-clean-up-for-z3fold_free.patch mm-z3fold-remove-unneeded-page_mapcount_reset-and-clearpageprivate.patch mm-z3fold-remove-confusing-local-variable-l-reassignment.patch mm-z3fold-move-decrement-of-pool-pages_nr-into-__release_z3fold_page.patch mm-z3fold-remove-redundant-list_del_init-of-zhdr-buddy-in-z3fold_free.patch mm-z3fold-remove-unneeded-page_headless-check-in-free_handle.patch mm-compaction-use-helper-isolation_suitable.patch drivers-base-nodec-fix-compaction-sysfs-file-leak.patch mm-migration-remove-unneeded-local-variable-mapping_locked.patch mm-migration-remove-unneeded-local-variable-page_lru.patch mm-migration-use-helper-function-vma_lookup-in-add_page_for_migration.patch mm-migration-use-helper-macro-min-in-do_pages_stat.patch mm-migration-avoid-unneeded-nodemask_t-initialization.patch mm-migration-remove-some-duplicated-codes-in-migrate_pages.patch mm-migration-fix-potential-page-refcounts-leak-in-migrate_pages.patch mm-migration-fix-potential-invalid-node-access-for-reclaim-based-migration.patch mm-migration-fix-possible-do_pages_stat_array-racing-with-memory-offline.patch