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 X-Spam-Level: X-Spam-Status: No, score=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A85E2C433B4 for ; Wed, 5 May 2021 01:32:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 88CB9613CB for ; Wed, 5 May 2021 01:32:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230454AbhEEBdQ (ORCPT ); Tue, 4 May 2021 21:33:16 -0400 Received: from mail.kernel.org ([198.145.29.99]:36622 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229799AbhEEBdQ (ORCPT ); Tue, 4 May 2021 21:33:16 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id C31AD613C7; Wed, 5 May 2021 01:32:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1620178339; bh=uwN86ZRW684Sd/tk+n4PtaiF29XEMcWsYkZhaizYmbo=; h=Date:From:To:Cc:Subject:From; b=Df458veIuSa/J56glVd0sKA6QzZmxWRoBlS3L70Cdy8D9ujyCK8npnMXa73xP/5wC J9TlFVEyVJ+y0qTHnBgEhl2QCkEAmKImBmfURF2gauoJ01AmW2EOycoaNY5BEWNoht NLRSFRrQijS3ahbM+z/Rxd4AWvEp2/p6Mzwd+v80= Date: Tue, 4 May 2021 18:32:19 -0700 From: Andrew Morton To: Linus Torvalds Cc: linux-mm@kvack.org, mm-commits@vger.kernel.org Subject: incoming Message-Id: <20210504183219.a3cc46aee4013d77402276c5@linux-foundation.org> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The remainder of the main mm/ queue. 143 patches, based on 8ca5297e7e38f2dc8c753d33a5092e7be181fff0, plus previously sent patches. Subsystems affected by this patch series: mm/pagecache mm/hugetlb mm/userfaultfd mm/vmscan mm/compaction mm/migration mm/cma mm/ksm mm/vmstat mm/mmap mm/kconfig mm/util mm/memory-hotplug mm/zswap mm/zsmalloc mm/highmem mm/cleanups mm/kfence Subsystem: mm/pagecache "Matthew Wilcox (Oracle)" : Patch series "Remove nrexceptional tracking", v2: mm: introduce and use mapping_empty() mm: stop accounting shadow entries dax: account DAX entries as nrpages mm: remove nrexceptional from inode Hugh Dickins : mm: remove nrexceptional from inode: remove BUG_ON Subsystem: mm/hugetlb Peter Xu : Patch series "hugetlb: Disable huge pmd unshare for uffd-wp", v4: hugetlb: pass vma into huge_pte_alloc() and huge_pmd_share() hugetlb/userfaultfd: forbid huge pmd sharing when uffd enabled mm/hugetlb: move flush_hugetlb_tlb_range() into hugetlb.h hugetlb/userfaultfd: unshare all pmds for hugetlbfs when register wp Miaohe Lin : mm/hugetlb: remove redundant reservation check condition in alloc_huge_page() Anshuman Khandual : mm: generalize HUGETLB_PAGE_SIZE_VARIABLE Miaohe Lin : Patch series "Some cleanups for hugetlb": mm/hugetlb: use some helper functions to cleanup code mm/hugetlb: optimize the surplus state transfer code in move_hugetlb_state() mm/hugetlb_cgroup: remove unnecessary VM_BUG_ON_PAGE in hugetlb_cgroup_migrate() mm/hugetlb: simplify the code when alloc_huge_page() failed in hugetlb_no_page() mm/hugetlb: avoid calculating fault_mutex_hash in truncate_op case Patch series "Cleanup and fixup for khugepaged", v2: khugepaged: remove unneeded return value of khugepaged_collapse_pte_mapped_thps() khugepaged: reuse the smp_wmb() inside __SetPageUptodate() khugepaged: use helper khugepaged_test_exit() in __khugepaged_enter() khugepaged: fix wrong result value for trace_mm_collapse_huge_page_isolate() mm/huge_memory.c: remove unnecessary local variable ret2 Patch series "Some cleanups for huge_memory", v3: mm/huge_memory.c: rework the function vma_adjust_trans_huge() mm/huge_memory.c: make get_huge_zero_page() return bool mm/huge_memory.c: rework the function do_huge_pmd_numa_page() slightly mm/huge_memory.c: remove redundant PageCompound() check mm/huge_memory.c: remove unused macro TRANSPARENT_HUGEPAGE_DEBUG_COW_FLAG mm/huge_memory.c: use helper function migration_entry_to_page() Yanfei Xu : mm/khugepaged.c: replace barrier() with READ_ONCE() for a selective variable Miaohe Lin : Patch series "Cleanup for khugepaged": khugepaged: use helper function range_in_vma() in collapse_pte_mapped_thp() khugepaged: remove unnecessary out label in collapse_huge_page() khugepaged: remove meaningless !pte_present() check in khugepaged_scan_pmd() Zi Yan : mm: huge_memory: a new debugfs interface for splitting THP tests mm: huge_memory: debugfs for file-backed THP split Miaohe Lin : Patch series "Cleanup and fixup for hugetlb", v2: mm/hugeltb: remove redundant VM_BUG_ON() in region_add() mm/hugeltb: simplify the return code of __vma_reservation_common() mm/hugeltb: clarify (chg - freed) won't go negative in hugetlb_unreserve_pages() mm/hugeltb: handle the error case in hugetlb_fix_reserve_counts() mm/hugetlb: remove unused variable pseudo_vma in remove_inode_hugepages() Mike Kravetz : Patch series "make hugetlb put_page safe for all calling contexts", v5: mm/cma: change cma mutex to irq safe spinlock hugetlb: no need to drop hugetlb_lock to call cma_release hugetlb: add per-hstate mutex to synchronize user adjustments hugetlb: create remove_hugetlb_page() to separate functionality hugetlb: call update_and_free_page without hugetlb_lock hugetlb: change free_pool_huge_page to remove_pool_huge_page hugetlb: make free_huge_page irq safe hugetlb: add lockdep_assert_held() calls for hugetlb_lock Oscar Salvador : Patch series "Make alloc_contig_range handle Hugetlb pages", v10: mm,page_alloc: bail out earlier on -ENOMEM in alloc_contig_migrate_range mm,compaction: let isolate_migratepages_{range,block} return error codes mm,hugetlb: drop clearing of flag from prep_new_huge_page mm,hugetlb: split prep_new_huge_page functionality mm: make alloc_contig_range handle free hugetlb pages mm: make alloc_contig_range handle in-use hugetlb pages mm,page_alloc: drop unnecessary checks from pfn_range_valid_contig Subsystem: mm/userfaultfd Axel Rasmussen : Patch series "userfaultfd: add minor fault handling", v9: userfaultfd: add minor fault registration mode userfaultfd: disable huge PMD sharing for MINOR registered VMAs userfaultfd: hugetlbfs: only compile UFFD helpers if config enabled userfaultfd: add UFFDIO_CONTINUE ioctl userfaultfd: update documentation to describe minor fault handling userfaultfd/selftests: add test exercising minor fault handling Subsystem: mm/vmscan Dave Hansen : mm/vmscan: move RECLAIM* bits to uapi header mm/vmscan: replace implicit RECLAIM_ZONE checks with explicit checks Yang Shi : Patch series "Make shrinker's nr_deferred memcg aware", v10: mm: vmscan: use nid from shrink_control for tracepoint mm: vmscan: consolidate shrinker_maps handling code mm: vmscan: use shrinker_rwsem to protect shrinker_maps allocation mm: vmscan: remove memcg_shrinker_map_size mm: vmscan: use kvfree_rcu instead of call_rcu mm: memcontrol: rename shrinker_map to shrinker_info mm: vmscan: add shrinker_info_protected() helper mm: vmscan: use a new flag to indicate shrinker is registered mm: vmscan: add per memcg shrinker nr_deferred mm: vmscan: use per memcg nr_deferred of shrinker mm: vmscan: don't need allocate shrinker->nr_deferred for memcg aware shrinkers mm: memcontrol: reparent nr_deferred when memcg offline mm: vmscan: shrink deferred objects proportional to priority Subsystem: mm/compaction Pintu Kumar : mm/compaction: remove unused variable sysctl_compact_memory Charan Teja Reddy : mm: compaction: update the COMPACT[STALL|FAIL] events properly Subsystem: mm/migration Minchan Kim : mm: disable LRU pagevec during the migration temporarily mm: replace migrate_[prep|finish] with lru_cache_[disable|enable] mm: fs: invalidate BH LRU during page migration Miaohe Lin : Patch series "Cleanup and fixup for mm/migrate.c", v3: mm/migrate.c: make putback_movable_page() static mm/migrate.c: remove unnecessary rc != MIGRATEPAGE_SUCCESS check in 'else' case mm/migrate.c: fix potential indeterminate pte entry in migrate_vma_insert_page() mm/migrate.c: use helper migrate_vma_collect_skip() in migrate_vma_collect_hole() Revert "mm: migrate: skip shared exec THP for NUMA balancing" Subsystem: mm/cma Minchan Kim : mm: vmstat: add cma statistics Baolin Wang : mm: cma: use pr_err_ratelimited for CMA warning Liam Mark : mm: cma: add trace events for CMA alloc perf testing Minchan Kim : mm: cma: support sysfs mm: cma: add the CMA instance name to cma trace events mm: use proper type for cma_[alloc|release] Subsystem: mm/ksm Miaohe Lin : Patch series "Cleanup and fixup for ksm": ksm: remove redundant VM_BUG_ON_PAGE() on stable_tree_search() ksm: use GET_KSM_PAGE_NOLOCK to get ksm page in remove_rmap_item_from_tree() ksm: remove dedicated macro KSM_FLAG_MASK ksm: fix potential missing rmap_item for stable_node Chengyang Fan : mm/ksm: remove unused parameter from remove_trailing_rmap_items() Subsystem: mm/vmstat Hugh Dickins : mm: restore node stat checking in /proc/sys/vm/stat_refresh mm: no more EINVAL from /proc/sys/vm/stat_refresh mm: /proc/sys/vm/stat_refresh skip checking known negative stats mm: /proc/sys/vm/stat_refresh stop checking monotonic numa stats Saravanan D : x86/mm: track linear mapping split events Subsystem: mm/mmap Liam Howlett : mm/mmap.c: don't unlock VMAs in remap_file_pages() Subsystem: mm/kconfig Anshuman Khandual : Patch series "mm: some config cleanups", v2: mm: generalize ARCH_HAS_CACHE_LINE_SIZE mm: generalize SYS_SUPPORTS_HUGETLBFS (rename as ARCH_SUPPORTS_HUGETLBFS) mm: generalize ARCH_ENABLE_MEMORY_[HOTPLUG|HOTREMOVE] mm: drop redundant ARCH_ENABLE_[HUGEPAGE|THP]_MIGRATION mm: drop redundant ARCH_ENABLE_SPLIT_PMD_PTLOCK mm: drop redundant HAVE_ARCH_TRANSPARENT_HUGEPAGE Subsystem: mm/util Joe Perches : mm/util.c: reduce mem_dump_obj() object size Bhaskar Chowdhury : mm/util.c: fix typo Subsystem: mm/memory-hotplug Pavel Tatashin : Patch series "prohibit pinning pages in ZONE_MOVABLE", v11: mm/gup: don't pin migrated cma pages in movable zone mm/gup: check every subpage of a compound page during isolation mm/gup: return an error on migration failure mm/gup: check for isolation errors mm cma: rename PF_MEMALLOC_NOCMA to PF_MEMALLOC_PIN mm: apply per-task gfp constraints in fast path mm: honor PF_MEMALLOC_PIN for all movable pages mm/gup: do not migrate zero page mm/gup: migrate pinned pages out of movable zone memory-hotplug.rst: add a note about ZONE_MOVABLE and page pinning mm/gup: change index type to long as it counts pages mm/gup: longterm pin migration cleanup selftests/vm: gup_test: fix test flag selftests/vm: gup_test: test faulting in kernel, and verify pinnable pages Mel Gorman : mm/memory_hotplug: remove broken locking of zone PCP structures during hot remove Oscar Salvador : Patch series "Allocate memmap from hotadded memory (per device)", v10: drivers/base/memory: introduce memory_block_{online,offline} mm,memory_hotplug: relax fully spanned sections check David Hildenbrand : mm,memory_hotplug: factor out adjusting present pages into adjust_present_page_count() Oscar Salvador : mm,memory_hotplug: allocate memmap from the added memory range acpi,memhotplug: enable MHP_MEMMAP_ON_MEMORY when supported mm,memory_hotplug: add kernel boot option to enable memmap_on_memory x86/Kconfig: introduce ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE arm64/Kconfig: introduce ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE Subsystem: mm/zswap Zhiyuan Dai : mm/zswap.c: switch from strlcpy to strscpy Subsystem: mm/zsmalloc zhouchuangao : mm/zsmalloc: use BUG_ON instead of if condition followed by BUG. Subsystem: mm/highmem Ira Weiny : Patch series "btrfs: Convert kmap/memset/kunmap to memzero_user()": iov_iter: lift memzero_page() to highmem.h btrfs: use memzero_page() instead of open coded kmap pattern songqiang : mm/highmem.c: fix coding style issue Subsystem: mm/cleanups Zhiyuan Dai : mm/mempool: minor coding style tweaks Zhang Yunkai : mm/process_vm_access.c: remove duplicate include Subsystem: mm/kfence Marco Elver : kfence: zero guard page after out-of-bounds access Patch series "kfence: optimize timer scheduling", v2: kfence: await for allocation using wait_event kfence: maximize allocation wait timeout duration kfence: use power-efficient work queue to run delayed work Documentation/ABI/testing/sysfs-kernel-mm-cma | 25 Documentation/admin-guide/kernel-parameters.txt | 17 Documentation/admin-guide/mm/memory-hotplug.rst | 9 Documentation/admin-guide/mm/userfaultfd.rst | 105 +- arch/arc/Kconfig | 9 arch/arm/Kconfig | 10 arch/arm64/Kconfig | 34 arch/arm64/mm/hugetlbpage.c | 7 arch/ia64/Kconfig | 14 arch/ia64/mm/hugetlbpage.c | 3 arch/mips/Kconfig | 6 arch/mips/mm/hugetlbpage.c | 4 arch/parisc/Kconfig | 5 arch/parisc/mm/hugetlbpage.c | 2 arch/powerpc/Kconfig | 17 arch/powerpc/mm/hugetlbpage.c | 3 arch/powerpc/platforms/Kconfig.cputype | 16 arch/riscv/Kconfig | 5 arch/s390/Kconfig | 12 arch/s390/mm/hugetlbpage.c | 2 arch/sh/Kconfig | 7 arch/sh/mm/Kconfig | 8 arch/sh/mm/hugetlbpage.c | 2 arch/sparc/mm/hugetlbpage.c | 2 arch/x86/Kconfig | 33 arch/x86/mm/pat/set_memory.c | 8 drivers/acpi/acpi_memhotplug.c | 5 drivers/base/memory.c | 105 ++ fs/Kconfig | 5 fs/block_dev.c | 2 fs/btrfs/compression.c | 5 fs/btrfs/extent_io.c | 22 fs/btrfs/inode.c | 33 fs/btrfs/reflink.c | 6 fs/btrfs/zlib.c | 5 fs/btrfs/zstd.c | 5 fs/buffer.c | 36 fs/dax.c | 8 fs/gfs2/glock.c | 3 fs/hugetlbfs/inode.c | 9 fs/inode.c | 11 fs/proc/task_mmu.c | 3 fs/userfaultfd.c | 149 +++ include/linux/buffer_head.h | 4 include/linux/cma.h | 4 include/linux/compaction.h | 1 include/linux/fs.h | 2 include/linux/gfp.h | 2 include/linux/highmem.h | 7 include/linux/huge_mm.h | 3 include/linux/hugetlb.h | 37 include/linux/memcontrol.h | 27 include/linux/memory.h | 8 include/linux/memory_hotplug.h | 15 include/linux/memremap.h | 2 include/linux/migrate.h | 11 include/linux/mm.h | 28 include/linux/mmzone.h | 20 include/linux/pagemap.h | 5 include/linux/pgtable.h | 12 include/linux/sched.h | 2 include/linux/sched/mm.h | 27 include/linux/shrinker.h | 7 include/linux/swap.h | 21 include/linux/userfaultfd_k.h | 55 + include/linux/vm_event_item.h | 8 include/trace/events/cma.h | 92 +- include/trace/events/migrate.h | 25 include/trace/events/mmflags.h | 7 include/uapi/linux/mempolicy.h | 7 include/uapi/linux/userfaultfd.h | 36 init/Kconfig | 5 kernel/sysctl.c | 2 lib/Kconfig.kfence | 1 lib/iov_iter.c | 8 mm/Kconfig | 28 mm/Makefile | 6 mm/cma.c | 70 + mm/cma.h | 25 mm/cma_debug.c | 8 mm/cma_sysfs.c | 112 ++ mm/compaction.c | 113 ++ mm/filemap.c | 24 mm/frontswap.c | 12 mm/gup.c | 264 +++--- mm/gup_test.c | 29 mm/gup_test.h | 3 mm/highmem.c | 11 mm/huge_memory.c | 326 +++++++- mm/hugetlb.c | 843 ++++++++++++++-------- mm/hugetlb_cgroup.c | 9 mm/internal.h | 10 mm/kfence/core.c | 61 + mm/khugepaged.c | 63 - mm/ksm.c | 17 mm/list_lru.c | 6 mm/memcontrol.c | 137 --- mm/memory_hotplug.c | 220 +++++ mm/mempolicy.c | 16 mm/mempool.c | 2 mm/migrate.c | 103 -- mm/mlock.c | 4 mm/mmap.c | 18 mm/oom_kill.c | 2 mm/page_alloc.c | 83 +- mm/process_vm_access.c | 1 mm/shmem.c | 2 mm/sparse.c | 4 mm/swap.c | 69 + mm/swap_state.c | 4 mm/swapfile.c | 4 mm/truncate.c | 19 mm/userfaultfd.c | 39 - mm/util.c | 26 mm/vmalloc.c | 2 mm/vmscan.c | 543 +++++++++----- mm/vmstat.c | 45 - mm/workingset.c | 1 mm/zsmalloc.c | 6 mm/zswap.c | 2 tools/testing/selftests/vm/.gitignore | 1 tools/testing/selftests/vm/Makefile | 1 tools/testing/selftests/vm/gup_test.c | 38 tools/testing/selftests/vm/split_huge_page_test.c | 400 ++++++++++ tools/testing/selftests/vm/userfaultfd.c | 164 ++++ 125 files changed, 3596 insertions(+), 1668 deletions(-)