A large amount of MM, plenty more to come.
155 patches, based on GIT 1a323ea5356edbb3073dc59d51b9e6b86908857d
Subsystems affected by this patch series:
tools
kthread
kbuild
scripts
ocfs2
vfs
mm/slub
mm/kmemleak
mm/pagecache
mm/gup
mm/swap
mm/memcg
mm/pagemap
mm/mremap
mm/sparsemem
mm/kasan
mm/pagealloc
mm/vmscan
mm/compaction
mm/mempolicy
mm/hugetlbfs
mm/hugetlb
Subsystem: tools
David Ahern <dsahern@xxxxxxxxxx>:
tools/accounting/getdelays.c: fix netlink attribute length
Subsystem: kthread
Petr Mladek <pmladek@xxxxxxxx>:
kthread: mark timer used by delayed kthread works as IRQ safe
Subsystem: kbuild
Masahiro Yamada <masahiroy@xxxxxxxxxx>:
asm-generic: make more kernel-space headers mandatory
Subsystem: scripts
Jonathan Neuschäfer <j.neuschaefer@xxxxxxx>:
scripts/spelling.txt: add syfs/sysfs pattern
Colin Ian King <colin.king@xxxxxxxxxxxxx>:
scripts/spelling.txt: add more spellings to spelling.txt
Subsystem: ocfs2
Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx>:
ocfs2: remove FS_OCFS2_NM
ocfs2: remove unused macros
ocfs2: use OCFS2_SEC_BITS in macro
ocfs2: remove dlm_lock_is_remote
wangyan <wangyan122@xxxxxxxxxx>:
ocfs2: there is no need to log twice in several functions
ocfs2: correct annotation from "l_next_rec" to "l_next_free_rec"
Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx>:
ocfs2: remove useless err
Jules Irenge <jbi.octave@xxxxxxxxx>:
ocfs2: Add missing annotations for ocfs2_refcount_cache_lock() and ocfs2_refcount_cache_unlock()
"Gustavo A. R. Silva" <gustavo@xxxxxxxxxxxxxx>:
ocfs2: replace zero-length array with flexible-array member
ocfs2: cluster: replace zero-length array with flexible-array member
ocfs2: dlm: replace zero-length array with flexible-array member
ocfs2: ocfs2_fs.h: replace zero-length array with flexible-array member
wangjian <wangjian161@xxxxxxxxxx>:
ocfs2: roll back the reference count modification of the parent directory if an error occurs
Takashi Iwai <tiwai@xxxxxxx>:
ocfs2: use scnprintf() for avoiding potential buffer overflow
"Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>:
ocfs2: use memalloc_nofs_save instead of memalloc_noio_save
Subsystem: vfs
Kees Cook <keescook@xxxxxxxxxxxx>:
fs_parse: Remove pr_notice() about each validation
Subsystem: mm/slub
chenqiwu <chenqiwu@xxxxxxxxxx>:
mm/slub.c: replace cpu_slab->partial with wrapped APIs
mm/slub.c: replace kmem_cache->cpu_partial with wrapped APIs
Kees Cook <keescook@xxxxxxxxxxxx>:
slub: improve bit diffusion for freelist ptr obfuscation
slub: relocate freelist pointer to middle of object
Vlastimil Babka <vbabka@xxxxxxx>:
Revert "topology: add support for node_to_mem_node() to determine the fallback node"
Subsystem: mm/kmemleak
Nathan Chancellor <natechancellor@xxxxxxxxx>:
mm/kmemleak.c: use address-of operator on section symbols
Qian Cai <cai@xxxxxx>:
mm/Makefile: disable KCSAN for kmemleak
Subsystem: mm/pagecache
Jan Kara <jack@xxxxxxx>:
mm/filemap.c: don't bother dropping mmap_sem for zero size readahead
Mauricio Faria de Oliveira <mfo@xxxxxxxxxxxxx>:
mm/page-writeback.c: write_cache_pages(): deduplicate identical checks
Xianting Tian <xianting_tian@xxxxxxx>:
mm/filemap.c: clear page error before actual read
Souptick Joarder <jrdr.linux@xxxxxxxxx>:
mm/filemap.c: remove unused argument from shrink_readahead_size_eio()
"Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>:
mm/filemap.c: use vm_fault error code directly
include/linux/pagemap.h: rename arguments to find_subpage
mm/page-writeback.c: use VM_BUG_ON_PAGE in clear_page_dirty_for_io
mm/filemap.c: unexport find_get_entry
mm/filemap.c: rewrite pagecache_get_page documentation
Subsystem: mm/gup
John Hubbard <jhubbard@xxxxxxxxxx>:
Patch series "mm/gup: track FOLL_PIN pages", v6:
mm/gup: split get_user_pages_remote() into two routines
mm/gup: pass a flags arg to __gup_device_* functions
mm: introduce page_ref_sub_return()
mm/gup: pass gup flags to two more routines
mm/gup: require FOLL_GET for get_user_pages_fast()
mm/gup: track FOLL_PIN pages
mm/gup: page->hpage_pinned_refcount: exact pin counts for huge pages
mm/gup: /proc/vmstat: pin_user_pages (FOLL_PIN) reporting
mm/gup_benchmark: support pin_user_pages() and related calls
selftests/vm: run_vmtests: invoke gup_benchmark with basic FOLL_PIN coverage
"Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>:
mm: improve dump_page() for compound pages
John Hubbard <jhubbard@xxxxxxxxxx>:
mm: dump_page(): additional diagnostics for huge pinned pages
Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx>:
mm/gup/writeback: add callbacks for inaccessible pages
Pingfan Liu <kernelfans@xxxxxxxxx>:
mm/gup: rename nr as nr_pinned in get_user_pages_fast()
mm/gup: fix omission of check on FOLL_LONGTERM in gup fast path
Subsystem: mm/swap
Chen Wandun <chenwandun@xxxxxxxxxx>:
mm/swapfile.c: fix comments for swapcache_prepare
Wei Yang <richardw.yang@xxxxxxxxxxxxxxx>:
mm/swap.c: not necessary to export __pagevec_lru_add()
Qian Cai <cai@xxxxxx>:
mm/swapfile: fix data races in try_to_unuse()
Wei Yang <richard.weiyang@xxxxxxxxxxxxxxxxx>:
mm/swap_slots.c: assign|reset cache slot by value directly
Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx>:
mm: swap: make page_evictable() inline
mm: swap: use smp_mb__after_atomic() to order LRU bit set
Wei Yang <richard.weiyang@xxxxxxxxx>:
mm/swap_state.c: use the same way to count page in [add_to|delete_from]_swap_cache
Subsystem: mm/memcg
Yafang Shao <laoar.shao@xxxxxxxxx>:
mm, memcg: fix build error around the usage of kmem_caches
Kirill Tkhai <ktkhai@xxxxxxxxxxxxx>:
mm/memcontrol.c: allocate shrinker_map on appropriate NUMA node
Roman Gushchin <guro@xxxxxx>:
mm: memcg/slab: use mem_cgroup_from_obj()
Patch series "mm: memcg: kmem API cleanup", v2:
mm: kmem: cleanup (__)memcg_kmem_charge_memcg() arguments
mm: kmem: cleanup memcg_kmem_uncharge_memcg() arguments
mm: kmem: rename memcg_kmem_(un)charge() into memcg_kmem_(un)charge_page()
mm: kmem: switch to nr_pages in (__)memcg_kmem_charge_memcg()
mm: memcg/slab: cache page number in memcg_(un)charge_slab()
mm: kmem: rename (__)memcg_kmem_(un)charge_memcg() to __memcg_kmem_(un)charge()
Johannes Weiner <hannes@xxxxxxxxxxx>:
Patch series "mm: memcontrol: recursive memory.low protection", v3:
mm: memcontrol: fix memory.low proportional distribution
mm: memcontrol: clean up and document effective low/min calculations
mm: memcontrol: recursive memory.low protection
Shakeel Butt <shakeelb@xxxxxxxxxx>:
memcg: css_tryget_online cleanups
Vincenzo Frascino <vincenzo.frascino@xxxxxxx>:
mm/memcontrol.c: make mem_cgroup_id_get_many() __maybe_unused
Chris Down <chris@xxxxxxxxxxxxxx>:
mm, memcg: prevent memory.high load/store tearing
mm, memcg: prevent memory.max load tearing
mm, memcg: prevent memory.low load/store tearing
mm, memcg: prevent memory.min load/store tearing
mm, memcg: prevent memory.swap.max load tearing
mm, memcg: prevent mem_cgroup_protected store tearing
Roman Gushchin <guro@xxxxxx>:
mm: memcg: make memory.oom.group tolerable to task migration
Subsystem: mm/pagemap
Thomas Hellstrom <thellstrom@xxxxxxxxxx>:
mm/mapping_dirty_helpers: Update huge page-table entry callbacks
Anshuman Khandual <anshuman.khandual@xxxxxxx>:
Patch series "mm/vma: some more minor changes", v2:
mm/vma: move VM_NO_KHUGEPAGED into generic header
mm/vma: make vma_is_foreign() available for general use
mm/vma: make is_vma_temporary_stack() available for general use
"Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>:
mm: add pagemap.h to the fine documentation
Peter Xu <peterx@xxxxxxxxxx>:
Patch series "mm: Page fault enhancements", v6:
mm/gup: rename "nonblocking" to "locked" where proper
mm/gup: fix __get_user_pages() on fault retry of hugetlb
mm: introduce fault_signal_pending()
x86/mm: use helper fault_signal_pending()
arc/mm: use helper fault_signal_pending()
arm64/mm: use helper fault_signal_pending()
powerpc/mm: use helper fault_signal_pending()
sh/mm: use helper fault_signal_pending()
mm: return faster for non-fatal signals in user mode faults
userfaultfd: don't retake mmap_sem to emulate NOPAGE
mm: introduce FAULT_FLAG_DEFAULT
mm: introduce FAULT_FLAG_INTERRUPTIBLE
mm: allow VM_FAULT_RETRY for multiple times
mm/gup: allow VM_FAULT_RETRY for multiple times
mm/gup: allow to react to fatal signals
mm/userfaultfd: honor FAULT_FLAG_KILLABLE in fault path
WANG Wenhu <wenhu.wang@xxxxxxxx>:
mm: clarify a confusing comment for remap_pfn_range()
Wang Wenhu <wenhu.wang@xxxxxxxx>:
mm/memory.c: clarify a confusing comment for vm_iomap_memory
Jaewon Kim <jaewon31.kim@xxxxxxxxxxx>:
Patch series "mm: mmap: add mmap trace point", v3:
mmap: remove inline of vm_unmapped_area
mm: mmap: add trace point of vm_unmapped_area
Subsystem: mm/mremap
Brian Geffon <bgeffon@xxxxxxxxxx>:
mm/mremap: add MREMAP_DONTUNMAP to mremap()
selftests: add MREMAP_DONTUNMAP selftest
Subsystem: mm/sparsemem
Wei Yang <richardw.yang@xxxxxxxxxxxxxxx>:
mm/sparsemem: get address to page struct instead of address to pfn
Pingfan Liu <kernelfans@xxxxxxxxx>:
mm/sparse: rename pfn_present() to pfn_in_present_section()
Baoquan He <bhe@xxxxxxxxxx>:
mm/sparse.c: use kvmalloc/kvfree to alloc/free memmap for the classic sparse
mm/sparse.c: allocate memmap preferring the given node
Subsystem: mm/kasan
Walter Wu <walter-zh.wu@xxxxxxxxxxxx>:
Patch series "fix the missing underflow in memory operation function", v4:
kasan: detect negative size in memory operation function
kasan: add test for invalid size in memmove
Subsystem: mm/pagealloc
Joel Savitz <jsavitz@xxxxxxxxxx>:
mm/page_alloc: increase default min_free_kbytes bound
Mateusz Nosek <mateusznosek0@xxxxxxxxx>:
mm, pagealloc: micro-optimisation: save two branches on hot page allocation path
chenqiwu <chenqiwu@xxxxxxxxxx>:
mm/page_alloc.c: use free_area_empty() instead of open-coding
Mateusz Nosek <mateusznosek0@xxxxxxxxx>:
mm/page_alloc.c: micro-optimisation Remove unnecessary branch
chenqiwu <chenqiwu@xxxxxxxxxx>:
mm/page_alloc: simplify page_is_buddy() for better code readability
Subsystem: mm/vmscan
Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx>:
mm: vmpressure: don't need call kfree if kstrndup fails
mm: vmpressure: use mem_cgroup_is_root API
mm: vmscan: replace open codings to NUMA_NO_NODE
Wei Yang <richardw.yang@xxxxxxxxxxxxxxx>:
mm/vmscan.c: remove cpu online notification for now
Qian Cai <cai@xxxxxx>:
mm/vmscan.c: fix data races using kswapd_classzone_idx
Mateusz Nosek <mateusznosek0@xxxxxxxxx>:
mm/vmscan.c: Clean code by removing unnecessary assignment
Kirill Tkhai <ktkhai@xxxxxxxxxxxxx>:
mm/vmscan.c: make may_enter_fs bool in shrink_page_list()
Mateusz Nosek <mateusznosek0@xxxxxxxxx>:
mm/vmscan.c: do_try_to_free_pages(): clean code by removing unnecessary assignment
Michal Hocko <mhocko@xxxxxxxx>:
selftests: vm: drop dependencies on page flags from mlock2 tests
Subsystem: mm/compaction
Rik van Riel <riel@xxxxxxxxxxx>:
Patch series "fix THP migration for CMA allocations", v2:
mm,compaction,cma: add alloc_contig flag to compact_control
mm,thp,compaction,cma: allow THP migration for CMA allocations
Vlastimil Babka <vbabka@xxxxxxx>:
mm, compaction: fully assume capture is not NULL in compact_zone_order()
Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>:
mm/compaction: really limit compact_unevictable_allowed to 0 and 1
mm/compaction: Disable compact_unevictable_allowed on RT
Mateusz Nosek <mateusznosek0@xxxxxxxxx>:
mm/compaction.c: clean code by removing unnecessary assignment
Subsystem: mm/mempolicy
Li Xinhai <lixinhai.lxh@xxxxxxxxx>:
mm/mempolicy: support MPOL_MF_STRICT for huge page mapping
mm/mempolicy: check hugepage migration is supported by arch in vma_migratable()
Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx>:
mm: mempolicy: use VM_BUG_ON_VMA in queue_pages_test_walk()
Randy Dunlap <rdunlap@xxxxxxxxxxxxx>:
mm: mempolicy: require at least one nodeid for MPOL_PREFERRED
Colin Ian King <colin.king@xxxxxxxxxxxxx>:
mm/memblock.c: remove redundant assignment to variable max_addr
Subsystem: mm/hugetlbfs
Mike Kravetz <mike.kravetz@xxxxxxxxxx>:
Patch series "hugetlbfs: use i_mmap_rwsem for more synchronization", v2:
hugetlbfs: use i_mmap_rwsem for more pmd sharing synchronization
hugetlbfs: Use i_mmap_rwsem to address page fault/truncate race
Subsystem: mm/hugetlb
Mina Almasry <almasrymina@xxxxxxxxxx>:
hugetlb_cgroup: add hugetlb_cgroup reservation counter
hugetlb_cgroup: add interface for charge/uncharge hugetlb reservations
mm/hugetlb_cgroup: fix hugetlb_cgroup migration
hugetlb_cgroup: add reservation accounting for private mappings
hugetlb: disable region_add file_region coalescing
hugetlb_cgroup: add accounting for shared mappings
hugetlb_cgroup: support noreserve mappings
hugetlb: support file_region coalescing again
hugetlb_cgroup: add hugetlb_cgroup reservation tests
hugetlb_cgroup: add hugetlb_cgroup reservation docs
Mateusz Nosek <mateusznosek0@xxxxxxxxx>:
mm/hugetlb.c: clean code by removing unnecessary initialization
Vlastimil Babka <vbabka@xxxxxxx>:
mm/hugetlb: remove unnecessary memory fetch in PageHeadHuge()
Christophe Leroy <christophe.leroy@xxxxxx>:
selftests/vm: fix map_hugetlb length used for testing read and write
mm/hugetlb: fix build failure with HUGETLB_PAGE but not HUGEBTLBFS
"Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>:
include/linux/huge_mm.h: check PageTail in hpage_nr_pages even when !THP
Documentation/admin-guide/cgroup-v1/hugetlb.rst | 103 +-
Documentation/admin-guide/cgroup-v2.rst | 11
Documentation/admin-guide/sysctl/vm.rst | 3
Documentation/core-api/mm-api.rst | 3
Documentation/core-api/pin_user_pages.rst | 86 +
arch/alpha/include/asm/Kbuild | 11
arch/alpha/mm/fault.c | 6
arch/arc/include/asm/Kbuild | 21
arch/arc/mm/fault.c | 37
arch/arm/include/asm/Kbuild | 12
arch/arm/mm/fault.c | 7
arch/arm64/include/asm/Kbuild | 18
arch/arm64/mm/fault.c | 26
arch/c6x/include/asm/Kbuild | 37
arch/csky/include/asm/Kbuild | 36
arch/h8300/include/asm/Kbuild | 46
arch/hexagon/include/asm/Kbuild | 33
arch/hexagon/mm/vm_fault.c | 5
arch/ia64/include/asm/Kbuild | 7
arch/ia64/mm/fault.c | 5
arch/m68k/include/asm/Kbuild | 24
arch/m68k/mm/fault.c | 7
arch/microblaze/include/asm/Kbuild | 29
arch/microblaze/mm/fault.c | 5
arch/mips/include/asm/Kbuild | 13
arch/mips/mm/fault.c | 5
arch/nds32/include/asm/Kbuild | 37
arch/nds32/mm/fault.c | 5
arch/nios2/include/asm/Kbuild | 38
arch/nios2/mm/fault.c | 7
arch/openrisc/include/asm/Kbuild | 36
arch/openrisc/mm/fault.c | 5
arch/parisc/include/asm/Kbuild | 18
arch/parisc/mm/fault.c | 8
arch/powerpc/include/asm/Kbuild | 4
arch/powerpc/mm/book3s64/pkeys.c | 12
arch/powerpc/mm/fault.c | 20
arch/powerpc/platforms/pseries/hotplug-memory.c | 2
arch/riscv/include/asm/Kbuild | 28
arch/riscv/mm/fault.c | 9
arch/s390/include/asm/Kbuild | 15
arch/s390/mm/fault.c | 10
arch/sh/include/asm/Kbuild | 16
arch/sh/mm/fault.c | 13
arch/sparc/include/asm/Kbuild | 14
arch/sparc/mm/fault_32.c | 5
arch/sparc/mm/fault_64.c | 5
arch/um/kernel/trap.c | 3
arch/unicore32/include/asm/Kbuild | 34
arch/unicore32/mm/fault.c | 8
arch/x86/include/asm/Kbuild | 2
arch/x86/include/asm/mmu_context.h | 15
arch/x86/mm/fault.c | 32
arch/xtensa/include/asm/Kbuild | 26
arch/xtensa/mm/fault.c | 5
drivers/base/node.c | 2
drivers/gpu/drm/ttm/ttm_bo_vm.c | 12
fs/fs_parser.c | 2
fs/hugetlbfs/inode.c | 30
fs/ocfs2/alloc.c | 3
fs/ocfs2/cluster/heartbeat.c | 12
fs/ocfs2/cluster/netdebug.c | 4
fs/ocfs2/cluster/tcp.c | 27
fs/ocfs2/cluster/tcp.h | 2
fs/ocfs2/dir.c | 4
fs/ocfs2/dlm/dlmcommon.h | 8
fs/ocfs2/dlm/dlmdebug.c | 100 -
fs/ocfs2/dlm/dlmmaster.c | 2
fs/ocfs2/dlm/dlmthread.c | 3
fs/ocfs2/dlmglue.c | 2
fs/ocfs2/journal.c | 2
fs/ocfs2/namei.c | 15
fs/ocfs2/ocfs2_fs.h | 18
fs/ocfs2/refcounttree.c | 2
fs/ocfs2/reservations.c | 3
fs/ocfs2/stackglue.c | 2
fs/ocfs2/suballoc.c | 5
fs/ocfs2/super.c | 46
fs/pipe.c | 2
fs/userfaultfd.c | 64 -
include/asm-generic/Kbuild | 52 +
include/linux/cgroup-defs.h | 5
include/linux/fs.h | 5
include/linux/gfp.h | 6
include/linux/huge_mm.h | 10
include/linux/hugetlb.h | 76 +
include/linux/hugetlb_cgroup.h | 175 +++
include/linux/kasan.h | 2
include/linux/kthread.h | 3
include/linux/memcontrol.h | 66 -
include/linux/mempolicy.h | 29
include/linux/mm.h | 243 +++-
include/linux/mm_types.h | 7
include/linux/mmzone.h | 6
include/linux/page_ref.h | 9
include/linux/pagemap.h | 29
include/linux/sched/signal.h | 18
include/linux/swap.h | 1
include/linux/topology.h | 17
include/trace/events/mmap.h | 48
include/uapi/linux/mman.h | 5
kernel/cgroup/cgroup.c | 17
kernel/fork.c | 9
kernel/sysctl.c | 31
lib/test_kasan.c | 19
mm/Makefile | 1
mm/compaction.c | 31
mm/debug.c | 54 -
mm/filemap.c | 77 -
mm/gup.c | 682 ++++++++++---
mm/gup_benchmark.c | 71 +
mm/huge_memory.c | 29
mm/hugetlb.c | 866 ++++++++++++-----
mm/hugetlb_cgroup.c | 347 +++++-
mm/internal.h | 32
mm/kasan/common.c | 26
mm/kasan/generic.c | 9
mm/kasan/generic_report.c | 11
mm/kasan/kasan.h | 2
mm/kasan/report.c | 5
mm/kasan/tags.c | 9
mm/kasan/tags_report.c | 11
mm/khugepaged.c | 4
mm/kmemleak.c | 2
mm/list_lru.c | 12
mm/mapping_dirty_helpers.c | 42
mm/memblock.c | 2
mm/memcontrol.c | 378 ++++---
mm/memory-failure.c | 29
mm/memory.c | 4
mm/mempolicy.c | 73 +
mm/migrate.c | 25
mm/mmap.c | 32
mm/mremap.c | 92 +
mm/page-writeback.c | 19
mm/page_alloc.c | 82 -
mm/page_counter.c | 29
mm/page_ext.c | 2
mm/rmap.c | 39
mm/shuffle.c | 2
mm/slab.h | 32
mm/slab_common.c | 2
mm/slub.c | 27
mm/sparse.c | 33
mm/swap.c | 5
mm/swap_slots.c | 12
mm/swap_state.c | 2
mm/swapfile.c | 10
mm/userfaultfd.c | 11
mm/vmpressure.c | 8
mm/vmscan.c | 111 --
mm/vmstat.c | 2
scripts/spelling.txt | 21
tools/accounting/getdelays.c | 2
tools/testing/selftests/vm/.gitignore | 1
tools/testing/selftests/vm/Makefile | 2
tools/testing/selftests/vm/charge_reserved_hugetlb.sh | 575 +++++++++++
tools/testing/selftests/vm/gup_benchmark.c | 15
tools/testing/selftests/vm/hugetlb_reparenting_test.sh | 244 ++++
tools/testing/selftests/vm/map_hugetlb.c | 14
tools/testing/selftests/vm/mlock2-tests.c | 233 ----
tools/testing/selftests/vm/mremap_dontunmap.c | 313 ++++++
tools/testing/selftests/vm/run_vmtests | 37
tools/testing/selftests/vm/write_hugetlb_memory.sh | 23
tools/testing/selftests/vm/write_to_hugetlbfs.c | 242 ++++
165 files changed, 5020 insertions(+), 2376 deletions(-)
