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SubjectRe: mmotm 2015-09-10-16-30 uploaded
I have just created since-4.2 branch in mm git tree
(http://git.kernel.org/?p=linux/kernel/git/mhocko/mm.git;a=summary). It
is based on v4.2 tag in Linus tree and mmotm-2015-09-10-16-30.

As usual mmotm trees are tagged with signed tag
(finger print BB43 1E25 7FB8 660F F2F1 D22D 48E2 09A2 B310 E347)

The shortlog says:
Aleksa Sarai (4):
cgroup: allow a cgroup subsystem to reject a fork
cgroup: implement the PIDs subsystem
cgroup: add documentation for the PIDs controller
cgroup: pids: fix invalid get/put usage

Alexander Kuleshov (3):
mm/memblock.c: rename local variable of memblock_type to 'type'
mm/memblock.c: fiy typos in comments
mm/memblock.c: fix comment in __next_mem_range()

Andrea Arcangeli (26):
userfaultfd: linux/Documentation/vm/userfaultfd.txt
userfaultfd: waitqueue: add nr wake parameter to __wake_up_locked_key
userfaultfd: uAPI
userfaultfd: linux/userfaultfd_k.h
userfaultfd: add vm_userfaultfd_ctx to the vm_area_struct
userfaultfd: add VM_UFFD_MISSING and VM_UFFD_WP
userfaultfd: call handle_userfault() for userfaultfd_missing() faults
userfaultfd: teach vma_merge to merge across vma->vm_userfaultfd_ctx
userfaultfd: prevent khugepaged to merge if userfaultfd is armed
userfaultfd: add new syscall to provide memory externalization
userfaultfd: change the read API to return a uffd_msg
userfaultfd: wake pending userfaults
userfaultfd: optimize read() and poll() to be O(1)
userfaultfd: allocate the userfaultfd_ctx cacheline aligned
userfaultfd: solve the race between UFFDIO_COPY|ZEROPAGE and read
userfaultfd: buildsystem activation
userfaultfd: activate syscall
userfaultfd: UFFDIO_COPY|UFFDIO_ZEROPAGE uAPI
userfaultfd: mcopy_atomic|mfill_zeropage: UFFDIO_COPY|UFFDIO_ZEROPAGE preparation
userfaultfd: avoid mmap_sem read recursion in mcopy_atomic
userfaultfd: UFFDIO_COPY and UFFDIO_ZEROPAGE
userfaultfd: require UFFDIO_API before other ioctls
userfaultfd: allow signals to interrupt a userfault
userfaultfd: propagate the full address in THP faults
userfaultfd: avoid missing wakeups during refile in userfaultfd_read
userfaultfd: selftest

Andrew Morton (10):
kernel/kthread.c:kthread_create_on_node(): clarify documentation
dax: revert userfaultfd change
mm-srcu-ify-shrinkers-fix-fix
page-flags-introduce-page-flags-policies-wrt-compound-pages-fix
include/linux/page-flags.h: rename macros to avoid collisions
x86-add-pmd_-for-thp-fix
sparc-add-pmd_-for-thp-fix
mm-support-madvisemadv_free-fix-2
mm-dont-split-thp-page-when-syscall-is-called-fix-3
mm-move-lazy-free-pages-to-inactive-list-fix-fix

Ard Biesheuvel (1):
mm/early_ioremap: add explicit #include of asm/early_ioremap.h

Aristeu Rozanski (1):
mm/mempolicy.c: get rid of duplicated check for vma(VM_PFNMAP) in queue_pages_range()

Calvin Owens (1):
procfs: always expose /proc/<pid>/map_files/ and make it readable

Chen Gang (2):
mm/mmap.c: simplify the failure return working flow
mm/mmap.c:insert_vm_struct(): check for failure before setting values

Chris Metcalf (1):
bootmem: avoid freeing to bootmem after bootmem is done

Christoph Hellwig (5):
dma-mapping: consolidate dma_{alloc,free}_{attrs,coherent}
dma-mapping: consolidate dma_{alloc,free}_noncoherent
dma-mapping: cosolidate dma_mapping_error
dma-mapping: consolidate dma_supported
dma-mapping: consolidate dma_set_mask

Christoph Lameter (1):
slab: infrastructure for bulk object allocation and freeing

Dan Streetman (5):
zpool: remove no-op module init/exit
zpool: add zpool_has_pool()
zswap: dynamic pool creation
zswap: change zpool/compressor at runtime
zswap: update docs for runtime-changeable attributes

Daniel Borkmann (1):
mm/slab.h: fix argument order in cache_from_obj's error message

Dave Hansen (1):
fs: do not prefault sys_write() user buffer pages

David Rientjes (6):
mm: improve __GFP_NORETRY comment based on implementation
mm, oom: organize oom context into struct
mm, oom: pass an oom order of -1 when triggered by sysrq
mm, oom: do not panic for oom kills triggered from sysrq
mm, oom: add description of struct oom_control
mm, oom: remove unnecessary variable

Davidlohr Bueso (2):
mm: srcu-ify shrinkers
mm-srcu-ify-shrinkers-fix

Dmitry Safonov (1):
mm: swap: zswap: maybe_preload & refactoring

Eric B Munson (10):
mm: mlock: refactor mlock, munlock, and munlockall code
mm-mlock-refactor-mlock-munlock-and-munlockall-code-v7
mm: mlock: add new mlock system call
mm-mlock-add-new-mlock-system-call-v7
mm: introduce VM_LOCKONFAULT
mm-introduce-vm_lockonfault-v7
mm: mlock: add mlock flags to enable VM_LOCKONFAULT usage
mm-mlock-add-mlock-flags-to-enable-vm_lockonfault-usage-v7
selftests: vm: add tests for lock on fault
mips: add entry for new mlock2 syscall

Frederic Weisbecker (3):
smpboot: fix memory leak on error handling
smpboot: make cleanup to mirror setup
smpboot: allow passing the cpumask on per-cpu thread registration

Geert Uytterhoeven (1):
selftests/userfaultfd: fix compiler warnings on 32-bit

Hugh Dickins (1):
mm, vmscan: unlock page while waiting on writeback

Jaewon Kim (1):
vmscan: fix increasing nr_isolated incurred by putback unevictable pages

James Custer (1):
mm: fix invalid use of pfn_valid_within in test_pages_in_a_zone

Jeff Layton (1):
list_lru: don't call list_lru_from_kmem if the list_head is empty

Jesper Dangaard Brouer (5):
slub: fix spelling succedd to succeed
slub bulk alloc: extract objects from the per cpu slab
slub: improve bulk alloc strategy
slub: initial bulk free implementation
slub: add support for kmem_cache_debug in bulk calls

Joonsoo Kim (2):
mm/slub: don't wait for high-order page allocation
mm/compaction: correct to flush migrated pages if pageblock skip happens

Kees Cook (2):
fs: create and use seq_show_option for escaping
cgroup: fix seq_show_option merge with legacy_name

Kirill A. Shutemov (28):
mm: fix status code which move_pages() returns for zero page
mm: make GUP handle pfn mapping unless FOLL_GET is requested
thp: vma_adjust_trans_huge(): adjust file-backed VMA too
thp: decrement refcount on huge zero page if it is split
thp: fix zap_huge_pmd() for DAX
dax: don't use set_huge_zero_page()
mm: take i_mmap_lock in unmap_mapping_range() for DAX
mm, dax: use i_mmap_unlock_write() in do_cow_fault()
mm: drop __nocast from vm_flags_t definition
mm: mark most vm_operations_struct const
mm: make sure all file VMAs have ->vm_ops set
mm: use vma_is_anonymous() in create_huge_pmd() and wp_huge_pmd()
page-flags: trivial cleanup for PageTrans* helpers
page-flags: introduce page flags policies wrt compound pages
page-flags: define PG_locked behavior on compound pages
page-flags: define behavior of FS/IO-related flags on compound pages
page-flags: define behavior of LRU-related flags on compound pages
page-flags: define behavior SL*B-related flags on compound pages
page-flags: define behavior of Xen-related flags on compound pages
page-flags: define PG_reserved behavior on compound pages
page-flags: define PG_swapbacked behavior on compound pages
page-flags: define PG_swapcache behavior on compound pages
page-flags: define PG_mlocked behavior on compound pages
page-flags: define PG_uncached behavior on compound pages
page-flags: define PG_uptodate behavior on compound pages
page-flags: look at head page if the flag is encoded in page->mapping
mm: sanitize page->mapping for tail pages
mm, madvise: use vma_is_anonymous() to check for anon VMA

Konstantin Khlebnikov (7):
mm/slub: fix slab double-free in case of duplicate sysfs filename
pagemap: check permissions and capabilities at open time
pagemap: switch to the new format and do some cleanup
pagemap: rework hugetlb and thp report
pagemap: hide physical addresses from non-privileged users
pagemap: add mmap-exclusive bit for marking pages mapped only here
pagemap: update documentation

Krzysztof Kozlowski (2):
mm: zpool: constify the zpool_ops
mm: zbud: constify the zbud_ops

Liuhailong (1):
slab: fix unexpected index mapping result of kmalloc_size(INDEX_NODE + 1)

Lorenzo Nava (1):
ARM: 8398/1: arm DMA: Fix allocation from CMA for coherent DMA

Mark Salter (3):
mm: add utility for early copy from unmapped ram
arm64: support initrd outside kernel linear map
x86: use generic early mem copy

Matthew Wilcox (17):
dax: move DAX-related functions to a new header
thp: prepare for DAX huge pages
mm: add a pmd_fault handler
mm: export various functions for the benefit of DAX
mm: add vmf_insert_pfn_pmd()
dax: add huge page fault support
ext2: huge page fault support
ext4: huge page fault support
xfs: huge page fault support
ext4: use ext4_get_block_write() for DAX
thp: change insert_pfn's return type to void
dax: improve comment about truncate race
ext4: add ext4_get_block_dax()
ext4: start transaction before calling into DAX
dax: fix race between simultaneous faults
dax: ensure that zero pages are removed from other processes
dax: use linear_page_index()

Max Filippov (1):
xtensa: reimplement DMA API using common helpers

Mel Gorman (5):
x86, mm: trace when an IPI is about to be sent
mm: send one IPI per CPU to TLB flush all entries after unmapping pages
mm: defer flush of writable TLB entries
Documentation/features/vm: add feature description and arch support status for batched TLB flush after unmap
mm: increase SWAP_CLUSTER_MAX to batch TLB flushes

Michal Hocko (7):
Merge remote-tracking branch 'tj-cgroups/for-4.3' into mmotm-since-4.2-base
sparc32: do not include swap.h from pgtable_32.h
memcg: export struct mem_cgroup
memcg: get rid of mem_cgroup_root_css for !CONFIG_MEMCG
memcg: get rid of extern for functions in memcontrol.h
memcg, tcp_kmem: check for cg_proto in sock_update_memcg
memcg: move memcg_proto_active from sock.h

Mike Kravetz (13):
mm/hugetlb: add cache of descriptors to resv_map for region_add
mm/hugetlb: add region_del() to delete a specific range of entries
mm/hugetlb: expose hugetlb fault mutex for use by fallocate
hugetlbfs: hugetlb_vmtruncate_list() needs to take a range to delete
hugetlbfs: truncate_hugepages() takes a range of pages
mm/hugetlb: vma_has_reserves() needs to handle fallocate hole punch
mm/hugetlb: alloc_huge_page handle areas hole punched by fallocate
hugetlbfs: New huge_add_to_page_cache helper routine
hugetlbfs: add hugetlbfs_fallocate()
mm: madvise allow remove operation for hugetlbfs
Revert "selftests: add hugetlbfstest"
selftests:vm: point to libhugetlbfs for regression testing
Documentation: update libhugetlbfs location and use for testing

Minchan Kim (16):
mm: /proc/pid/smaps:: show proportional swap share of the mapping
zsmalloc: consider ZS_ALMOST_FULL as migrate source
zsmalloc: use class->pages_per_zspage
x86: add pmd_[dirty|mkclean] for THP
sparc: add pmd_[dirty|mkclean] for THP
powerpc: add pmd_[dirty|mkclean] for THP
arm: add pmd_mkclean for THP
arm64: add pmd_[dirty|mkclean] for THP
mm: support madvise(MADV_FREE)
mm: define MADV_FREE for some arches
mm: don't split THP page when syscall is called
mm: remove lock validation check for MADV_FREE
mm: free swp_entry in madvise_free
mm: move lazily freed pages to inactive list
mm: document deactivate_page
mm: lru_deactivate_fn should clear PG_referenced

Naoya Horiguchi (7):
mm, page_isolation: make set/unset_migratetype_isolate() file-local
mm/hwpoison: introduce num_poisoned_pages wrappers
mm/hwpoison: don't try to unpoison containment-failed pages
mm: hugetlb: proc: add HugetlbPages field to /proc/PID/smaps
Documentation/filesystems/proc.txt: give additional comment about hugetlb usage
mm: hugetlb: proc: add HugetlbPages field to /proc/PID/status
mm-hugetlb-proc-add-hugetlbpages-field-to-proc-pid-status-v5

Nicholas Krause (6):
mm/hugetlb.c: make vma_shareable() return bool
mm/dmapool.c: change is_page_busy() return from int to bool
mm/memory.c: make tlb_next_batch() return bool
mm/madvise.c: make madvise_behaviour_valid() return bool
mm/hugetlb.c: make vma_has_reserves() return bool
mm: make set_recommended_min_free_kbytes() return void

Oleg Nesterov (9):
mremap: don't leak new_vma if f_op->mremap() fails
mm: move ->mremap() from file_operations to vm_operations_struct
mremap: don't do mm_populate(new_addr) on failure
mremap: don't do uneccesary checks if new_len == old_len
mremap: simplify the "overlap" check in mremap_to()
mm: introduce vma_is_anonymous(vma) helper
mmap: fix the usage of ->vm_pgoff in special_mapping paths
mremap: fix the wrong !vma->vm_file check in copy_vma()
mm, mpx: add "vm_flags_t vm_flags" arg to do_mmap_pgoff()

Paul Bolle (1):
mm: Fix comment typo "CONFIG_TRANSPARNTE_HUGE"

Pavel Emelyanov (1):
userfaultfd: Rename uffd_api.bits into .features

Petr Mladek (1):
mm/khugepaged: allow interruption of allocation sleep again

Roman Pen (1):
fs/mpage.c: forgotten WRITE_SYNC in case of data integrity write

SF Markus Elfring (1):
ntfs: delete unnecessary checks before calling iput()

Sean O. Stalley (4):
mm: add support for __GFP_ZERO flag to dma_pool_alloc()
mm: add dma_pool_zalloc() call to DMA API
pci: mm: add pci_pool_zalloc() call
coccinelle: mm: scripts/coccinelle/api/alloc/pool_zalloc-simple.cocci

Sebastian Andrzej Siewior (1):
mm: memcontrol: bring back the VM_BUG_ON() in mem_cgroup_swapout()

Sergey Senozhatsky (14):
mm/slab_common: allow NULL cache pointer in kmem_cache_destroy()
mm/mempool: allow NULL `pool' pointer in mempool_destroy()
mm/dmapool: allow NULL `pool' pointer in dma_pool_destroy()
zsmalloc: drop unused variable `nr_to_migrate'
zsmalloc: always keep per-class stats
zsmalloc: introduce zs_can_compact() function
zsmalloc: cosmetic compaction code adjustments
zsmalloc/zram: introduce zs_pool_stats api
zsmalloc: account the number of compacted pages
zsmalloc: use shrinker to trigger auto-compaction
zsmalloc: partial page ordering within a fullness_list
zsmalloc: do not take class lock in zs_shrinker_count()
zsmalloc: remove null check from destroy_handle_cache()
zram: unify error reporting

Tang Chen (3):
memory-hotplug: add hot-added memory ranges to memblock before allocate node_data for a node.
mm/memblock.c: make memblock_overlaps_region() return bool.
mem-hotplug: handle node hole when initializing numa_meminfo.

Tejun Heo (7):
cgroup: define controller file conventions
cgroup: export cgrp_dfl_root
cgroup: make cftype->private a unsigned long
cgroup: don't print subsystems for the default hierarchy
cgroup: introduce cgroup_subsys->legacy_name
Merge branch 'for-4.3-unified-base' into for-4.3
memcg: restructure mem_cgroup_can_attach()

Thierry Reding (4):
selftests: vm: pick up sanitized kernel headers
selftests: vm: Fix mlock2-tests for 32-bit architectures
selftests: vm: ensure the mlock2 syscall number can be found
selftests: vm: use the right arguments for main()

Thomas Gleixner (1):
mm/slub: move slab initialization into irq enabled region

Valentin Rothberg (1):
fs/dax.c: fix typo in #endif comment

Vasily Kulikov (2):
include/linux/poison.h: fix LIST_POISON{1,2} offset
include/linux/poison.h: remove not-used poison pointer macros

Vinayak Menon (1):
mm: vmscan: fix the page state calculation in too_many_isolated

Vineet Gupta (1):
mm: remove put_page_unless_one()

Vishnu Pratap Singh (1):
lib/show_mem.c: correct reserved memory calculation

Vitaly Kuznetsov (1):
lib/string_helpers.c: fix infinite loop in string_get_size()

Vladimir Davydov (10):
cgroup: fix idr_preload usage
mm: vmscan: never isolate more pages than necessary
memcg: add page_cgroup_ino helper
hwpoison: use page_cgroup_ino for filtering by memcg
memcg: zap try_get_mem_cgroup_from_page
proc: add kpagecgroup file
mmu-notifier: add clear_young callback
mm: introduce idle page tracking
proc: export idle flag via kpageflags
proc: add cond_resched to /proc/kpage* read/write loop

Vladimir Murzin (3):
memtest: use kstrtouint instead of simple_strtoul
memtest: cleanup log messages
memtest: remove unused header files

Vladimir Zapolskiy (2):
genalloc: add name arg to gen_pool_get() and devm_gen_pool_create()
genalloc: add support of multiple gen_pools per device

Vlastimil Babka (10):
mm, page_isolation: remove bogus tests for isolated pages
mm: rename and move get/set_freepage_migratetype
mm, compaction: more robust check for scanners meeting
mm, compaction: simplify handling restart position in free pages scanner
mm, compaction: encapsulate resetting cached scanner positions
mm, compaction: always skip all compound pages by order in migrate scanner
mm, compaction: skip compound pages by order in free scanner
mm: rename alloc_pages_exact_node() to __alloc_pages_node()
mm: unify checks in alloc_pages_node() and __alloc_pages_node()
mm: use numa_mem_id() in alloc_pages_node()

Waiman Long (1):
proc: change proc_subdir_lock to a rwlock

Wang Kai (1):
kmemleak: record accurate early log buffer count and report when exceeded

Wanpeng Li (6):
mm/hwpoison: fix failure to split thp w/ refcount held
mm/hwpoison: fix PageHWPoison test/set race
mm/hwpoison: introduce put_hwpoison_page to put refcount for memory error handling
mm/hwpoison: fix refcount of THP head page in no-injection case
mm/hwpoison: replace most of put_page in memory error handling by put_hwpoison_page
mm/hwpoison: fix race between soft_offline_page and unpoison_memory

Wei Yang (4):
mm/memblock: WARN_ON when nid differs from overlap region
mm/page_alloc.c: refine the calculation of highest possible node id
mm/page_alloc.c: remove unused variable in free_area_init_core()
mm/memblock.c: WARN_ON when flags differs from overlap region

Weijie Yang (1):
mm: page_isolation: check pfn validity before access

Xishi Qiu (1):
memory-hotplug: fix comments in zone_spanned_pages_in_node() and zone_spanned_pages_in_node()

Yaowei Bai (2):
mm/page_alloc.c: fix a misleading comment
mm/page_alloc.c: change sysctl_lower_zone_reserve_ratio to sysctl_lowmem_reserve_ratio in comments

Yinghai Lu (1):
mm: check if section present during memory block registering

Yu Zhao (1):
shmem: recalculate file inode when fstat

Zhen Lei (1):
mm/page_alloc.c: fix type information of memoryless node

minkyung88.kim (1):
mm: remove struct node_active_region

--
Michal Hocko
SUSE Labs


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