incoming

[Andrew Morton <akpm@linux-foundation.org>]

Most of the rest of MM and various other things.  Some Kconfig rework
still awaits merges of dependent trees from linux-next.


86 patches, based on 63de37476ebd1e9bab6a9e17186dc5aa1da9ea99.

Subsystems affected by this patch series:

  mm/hotfixes
  mm/memcg
  mm/vmstat
  mm/thp
  procfs
  sysctl
  misc
  notifiers
  core-kernel
  bitops
  lib
  checkpatch
  epoll
  binfmt
  init
  rapidio
  uaccess
  kcov
  ubsan
  ipc
  bitmap
  mm/pagemap

Subsystem: mm/hotfixes

    zhong jiang <zhongjiang@huawei.com>:
      mm/kasan/common.c: fix compile error

Subsystem: mm/memcg

    Roman Gushchin <guro@fb.com>:
      mm: memcg/slab: wait for !root kmem_cache refcnt killing on root kmem_cache destruction

Subsystem: mm/vmstat

    Konstantin Khlebnikov <khlebnikov@yandex-team.ru>:
      mm/vmstat: add helpers to get vmstat item names for each enum type
      mm/memcontrol: use vmstat names for printing statistics

Subsystem: mm/thp

    Yu Zhao <yuzhao@google.com>:
      mm/memory.c: replace is_zero_pfn with is_huge_zero_pmd for thp

Subsystem: procfs

    Alexey Dobriyan <adobriyan@gmail.com>:
      proc: change ->nlink under proc_subdir_lock
      fs/proc/generic.c: delete useless "len" variable
      fs/proc/internal.h: shuffle "struct pde_opener"

    Miaohe Lin <linmiaohe@huawei.com>:
      include/linux/proc_fs.h: fix confusing macro arg name

    Krzysztof Kozlowski <krzk@kernel.org>:
      fs/proc/Kconfig: fix indentation

Subsystem: sysctl

    Alessio Balsini <balsini@android.com>:
      include/linux/sysctl.h: inline braces for ctl_table and ctl_table_header

Subsystem: misc

    Stephen Boyd <swboyd@chromium.org>:
      .gitattributes: use 'dts' diff driver for dts files

    Rikard Falkeborn <rikard.falkeborn@gmail.com>:
      linux/build_bug.h: change type to int

    Masahiro Yamada <yamada.masahiro@socionext.com>:
      linux/scc.h: make uapi linux/scc.h self-contained

    Krzysztof Kozlowski <krzk@kernel.org>:
      arch/Kconfig: fix indentation

    Joe Perches <joe@perches.com>:
      scripts/get_maintainer.pl: add signatures from Fixes: <badcommit> lines in commit message

    Andy Shevchenko <andriy.shevchenko@linux.intel.com>:
      kernel.h: update comment about simple_strto<foo>() functions
      auxdisplay: charlcd: deduplicate simple_strtoul()

Subsystem: notifiers

    Xiaoming Ni <nixiaoming@huawei.com>:
      kernel/notifier.c: intercept duplicate registrations to avoid infinite loops
      kernel/notifier.c: remove notifier_chain_cond_register()
      kernel/notifier.c: remove blocking_notifier_chain_cond_register()

Subsystem: core-kernel

    Nathan Chancellor <natechancellor@gmail.com>:
      kernel/profile.c: use cpumask_available to check for NULL cpumask

    Joe Perches <joe@perches.com>:
      kernel/sys.c: avoid copying possible padding bytes in copy_to_user

Subsystem: bitops

    William Breathitt Gray <vilhelm.gray@gmail.com>:
      bitops: introduce the for_each_set_clump8 macro
      lib/test_bitmap.c: add for_each_set_clump8 test cases
      gpio: 104-dio-48e: utilize for_each_set_clump8 macro
      gpio: 104-idi-48: utilize for_each_set_clump8 macro
      gpio: gpio-mm: utilize for_each_set_clump8 macro
      gpio: ws16c48: utilize for_each_set_clump8 macro
      gpio: pci-idio-16: utilize for_each_set_clump8 macro
      gpio: pcie-idio-24: utilize for_each_set_clump8 macro
      gpio: uniphier: utilize for_each_set_clump8 macro
      gpio: 74x164: utilize the for_each_set_clump8 macro
      thermal: intel: intel_soc_dts_iosf: Utilize for_each_set_clump8 macro
      gpio: pisosr: utilize the for_each_set_clump8 macro
      gpio: max3191x: utilize the for_each_set_clump8 macro
      gpio: pca953x: utilize the for_each_set_clump8 macro

Subsystem: lib

    Wei Yang <richardw.yang@linux.intel.com>:
      lib/rbtree: set successor's parent unconditionally
      lib/rbtree: get successor's color directly

    Laura Abbott <labbott@redhat.com>:
      lib/test_meminit.c: add bulk alloc/free tests

    Trent Piepho <tpiepho@gmail.com>:
      lib/math/rational.c: fix possible incorrect result from rational fractions helper

    Huang Shijie <sjhuang@iluvatar.ai>:
      lib/genalloc.c: export symbol addr_in_gen_pool
      lib/genalloc.c: rename addr_in_gen_pool to gen_pool_has_addr

Subsystem: checkpatch

    Joe Perches <joe@perches.com>:
      checkpatch: improve ignoring CamelCase SI style variants like mA
      checkpatch: reduce is_maintained_obsolete lookup runtime

Subsystem: epoll

    Jason Baron <jbaron@akamai.com>:
      epoll: simplify ep_poll_safewake() for CONFIG_DEBUG_LOCK_ALLOC

    Heiher <r@hev.cc>:
      fs/epoll: remove unnecessary wakeups of nested epoll
      selftests: add epoll selftests

Subsystem: binfmt

    Alexey Dobriyan <adobriyan@gmail.com>:
      fs/binfmt_elf.c: delete unused "interp_map_addr" argument
      fs/binfmt_elf.c: extract elf_read() function

Subsystem: init

    Krzysztof Kozlowski <krzk@kernel.org>:
      init/Kconfig: fix indentation

Subsystem: rapidio

    "Ben Dooks (Codethink)" <ben.dooks@codethink.co.uk>:
      drivers/rapidio/rio-driver.c: fix missing include of  <linux/rio_drv.h>
      drivers/rapidio/rio-access.c: fix missing include of <linux/rio_drv.h>

Subsystem: uaccess

    Daniel Vetter <daniel.vetter@ffwll.ch>:
      drm: limit to INT_MAX in create_blob ioctl

    Kees Cook <keescook@chromium.org>:
      uaccess: disallow > INT_MAX copy sizes

Subsystem: kcov

    Andrey Konovalov <andreyknvl@google.com>:
    Patch series " kcov: collect coverage from usb and vhost", v3:
      kcov: remote coverage support
      usb, kcov: collect coverage from hub_event
      vhost, kcov: collect coverage from vhost_worker

Subsystem: ubsan

    Julien Grall <julien.grall@arm.com>:
      lib/ubsan: don't serialize UBSAN report

Subsystem: ipc

    Masahiro Yamada <yamada.masahiro@socionext.com>:
      arch: ipcbuf.h: make uapi asm/ipcbuf.h self-contained
      arch: msgbuf.h: make uapi asm/msgbuf.h self-contained
      arch: sembuf.h: make uapi asm/sembuf.h self-contained

Subsystem: bitmap

    Andy Shevchenko <andriy.shevchenko@linux.intel.com>:
    Patch series "gpio: pca953x: Convert to bitmap (extended) API", v2:
      lib/test_bitmap: force argument of bitmap_parselist_user() to proper address space
      lib/test_bitmap: undefine macros after use
      lib/test_bitmap: name EXP_BYTES properly
      lib/test_bitmap: rename exp to exp1 to avoid ambiguous name
      lib/test_bitmap: move exp1 and exp2 upper for others to use
      lib/test_bitmap: fix comment about this file
      lib/bitmap: introduce bitmap_replace() helper
      gpio: pca953x: remove redundant variable and check in IRQ handler
      gpio: pca953x: use input from regs structure in pca953x_irq_pending()
      gpio: pca953x: convert to use bitmap API
      gpio: pca953x: tighten up indentation

Subsystem: mm/pagemap

    Mike Rapoport <rppt@linux.ibm.com>:
    Patch series "mm: remove __ARCH_HAS_4LEVEL_HACK", v13:
      alpha: use pgtable-nopud instead of 4level-fixup
      arm: nommu: use pgtable-nopud instead of 4level-fixup
      c6x: use pgtable-nopud instead of 4level-fixup
      m68k: nommu: use pgtable-nopud instead of 4level-fixup
      m68k: mm: use pgtable-nopXd instead of 4level-fixup
      microblaze: use pgtable-nopmd instead of 4level-fixup
      nds32: use pgtable-nopmd instead of 4level-fixup
      parisc: use pgtable-nopXd instead of 4level-fixup

    Helge Deller <deller@gmx.de>:
      parisc/hugetlb: use pgtable-nopXd instead of 4level-fixup

    Mike Rapoport <rppt@linux.ibm.com>:
      sparc32: use pgtable-nopud instead of 4level-fixup
      um: remove unused pxx_offset_proc() and addr_pte() functions
      um: add support for folded p4d page tables
      mm: remove __ARCH_HAS_4LEVEL_HACK and include/asm-generic/4level-fixup.h

 .gitattributes                                                |    2 
 Documentation/core-api/genalloc.rst                           |    2 
 Documentation/dev-tools/kcov.rst                              |  129 
 arch/Kconfig                                                  |   22 
 arch/alpha/include/asm/mmzone.h                               |    1 
 arch/alpha/include/asm/pgalloc.h                              |    4 
 arch/alpha/include/asm/pgtable.h                              |   24 
 arch/alpha/mm/init.c                                          |   12 
 arch/arm/include/asm/pgtable.h                                |    2 
 arch/arm/mm/dma-mapping.c                                     |    2 
 arch/c6x/include/asm/pgtable.h                                |    2 
 arch/m68k/include/asm/mcf_pgalloc.h                           |    7 
 arch/m68k/include/asm/mcf_pgtable.h                           |   28 
 arch/m68k/include/asm/mmu_context.h                           |   12 
 arch/m68k/include/asm/motorola_pgalloc.h                      |    4 
 arch/m68k/include/asm/motorola_pgtable.h                      |   32 
 arch/m68k/include/asm/page.h                                  |    9 
 arch/m68k/include/asm/pgtable_mm.h                            |   11 
 arch/m68k/include/asm/pgtable_no.h                            |    2 
 arch/m68k/include/asm/sun3_pgalloc.h                          |    5 
 arch/m68k/include/asm/sun3_pgtable.h                          |   18 
 arch/m68k/kernel/sys_m68k.c                                   |   10 
 arch/m68k/mm/init.c                                           |    6 
 arch/m68k/mm/kmap.c                                           |   39 
 arch/m68k/mm/mcfmmu.c                                         |   16 
 arch/m68k/mm/motorola.c                                       |   17 
 arch/m68k/sun3x/dvma.c                                        |    7 
 arch/microblaze/include/asm/page.h                            |    3 
 arch/microblaze/include/asm/pgalloc.h                         |   16 
 arch/microblaze/include/asm/pgtable.h                         |   32 
 arch/microblaze/kernel/signal.c                               |   10 
 arch/microblaze/mm/init.c                                     |    7 
 arch/microblaze/mm/pgtable.c                                  |   13 
 arch/mips/include/uapi/asm/msgbuf.h                           |    1 
 arch/mips/include/uapi/asm/sembuf.h                           |    2 
 arch/nds32/include/asm/page.h                                 |    3 
 arch/nds32/include/asm/pgalloc.h                              |    3 
 arch/nds32/include/asm/pgtable.h                              |   12 
 arch/nds32/include/asm/tlb.h                                  |    1 
 arch/nds32/kernel/pm.c                                        |    4 
 arch/nds32/mm/fault.c                                         |   16 
 arch/nds32/mm/init.c                                          |   11 
 arch/nds32/mm/mm-nds32.c                                      |    6 
 arch/nds32/mm/proc.c                                          |   26 
 arch/parisc/include/asm/page.h                                |   30 
 arch/parisc/include/asm/pgalloc.h                             |   41 
 arch/parisc/include/asm/pgtable.h                             |   52 
 arch/parisc/include/asm/tlb.h                                 |    2 
 arch/parisc/include/uapi/asm/msgbuf.h                         |    1 
 arch/parisc/include/uapi/asm/sembuf.h                         |    1 
 arch/parisc/kernel/cache.c                                    |   13 
 arch/parisc/kernel/pci-dma.c                                  |    9 
 arch/parisc/mm/fixmap.c                                       |   10 
 arch/parisc/mm/hugetlbpage.c                                  |   18 
 arch/powerpc/include/uapi/asm/msgbuf.h                        |    2 
 arch/powerpc/include/uapi/asm/sembuf.h                        |    2 
 arch/s390/include/uapi/asm/ipcbuf.h                           |    2 
 arch/sparc/include/asm/pgalloc_32.h                           |    6 
 arch/sparc/include/asm/pgtable_32.h                           |   28 
 arch/sparc/include/uapi/asm/ipcbuf.h                          |    2 
 arch/sparc/include/uapi/asm/msgbuf.h                          |    2 
 arch/sparc/include/uapi/asm/sembuf.h                          |    2 
 arch/sparc/mm/fault_32.c                                      |   11 
 arch/sparc/mm/highmem.c                                       |    6 
 arch/sparc/mm/io-unit.c                                       |    6 
 arch/sparc/mm/iommu.c                                         |    6 
 arch/sparc/mm/srmmu.c                                         |   51 
 arch/um/include/asm/pgtable-2level.h                          |    1 
 arch/um/include/asm/pgtable-3level.h                          |    1 
 arch/um/include/asm/pgtable.h                                 |    3 
 arch/um/kernel/mem.c                                          |    8 
 arch/um/kernel/skas/mmu.c                                     |   12 
 arch/um/kernel/skas/uaccess.c                                 |    7 
 arch/um/kernel/tlb.c                                          |   85 
 arch/um/kernel/trap.c                                         |    4 
 arch/x86/include/uapi/asm/msgbuf.h                            |    3 
 arch/x86/include/uapi/asm/sembuf.h                            |    2 
 arch/xtensa/include/uapi/asm/ipcbuf.h                         |    2 
 arch/xtensa/include/uapi/asm/msgbuf.h                         |    2 
 arch/xtensa/include/uapi/asm/sembuf.h                         |    1 
 drivers/auxdisplay/charlcd.c                                  |   34 
 drivers/base/node.c                                           |    9 
 drivers/gpio/gpio-104-dio-48e.c                               |   75 
 drivers/gpio/gpio-104-idi-48.c                                |   36 
 drivers/gpio/gpio-74x164.c                                    |   19 
 drivers/gpio/gpio-gpio-mm.c                                   |   75 
 drivers/gpio/gpio-max3191x.c                                  |   19 
 drivers/gpio/gpio-pca953x.c                                   |  209 
 drivers/gpio/gpio-pci-idio-16.c                               |   75 
 drivers/gpio/gpio-pcie-idio-24.c                              |  111 
 drivers/gpio/gpio-pisosr.c                                    |   12 
 drivers/gpio/gpio-uniphier.c                                  |   13 
 drivers/gpio/gpio-ws16c48.c                                   |   73 
 drivers/gpu/drm/drm_property.c                                |    2 
 drivers/misc/sram-exec.c                                      |    2 
 drivers/rapidio/rio-access.c                                  |    2 
 drivers/rapidio/rio-driver.c                                  |    1 
 drivers/thermal/intel/intel_soc_dts_iosf.c                    |   31 
 drivers/thermal/intel/intel_soc_dts_iosf.h                    |    2 
 drivers/usb/core/hub.c                                        |    5 
 drivers/vhost/vhost.c                                         |    6 
 drivers/vhost/vhost.h                                         |    1 
 fs/binfmt_elf.c                                               |   56 
 fs/eventpoll.c                                                |   52 
 fs/proc/Kconfig                                               |    8 
 fs/proc/generic.c                                             |   37 
 fs/proc/internal.h                                            |    2 
 include/asm-generic/4level-fixup.h                            |   39 
 include/asm-generic/bitops/find.h                             |   17 
 include/linux/bitmap.h                                        |   51 
 include/linux/bitops.h                                        |   12 
 include/linux/build_bug.h                                     |    4 
 include/linux/genalloc.h                                      |    2 
 include/linux/kcov.h                                          |   23 
 include/linux/kernel.h                                        |   19 
 include/linux/mm.h                                            |   10 
 include/linux/notifier.h                                      |    4 
 include/linux/proc_fs.h                                       |    4 
 include/linux/rbtree_augmented.h                              |    6 
 include/linux/sched.h                                         |    8 
 include/linux/sysctl.h                                        |    6 
 include/linux/thread_info.h                                   |    2 
 include/linux/vmstat.h                                        |   54 
 include/uapi/asm-generic/ipcbuf.h                             |    2 
 include/uapi/asm-generic/msgbuf.h                             |    2 
 include/uapi/asm-generic/sembuf.h                             |    1 
 include/uapi/linux/kcov.h                                     |   28 
 include/uapi/linux/scc.h                                      |    1 
 init/Kconfig                                                  |   78 
 kernel/dma/remap.c                                            |    2 
 kernel/kcov.c                                                 |  547 +
 kernel/notifier.c                                             |   45 
 kernel/profile.c                                              |    6 
 kernel/sys.c                                                  |    4 
 lib/bitmap.c                                                  |   12 
 lib/find_bit.c                                                |   14 
 lib/genalloc.c                                                |    7 
 lib/math/rational.c                                           |   63 
 lib/test_bitmap.c                                             |  206 
 lib/test_meminit.c                                            |   20 
 lib/ubsan.c                                                   |   64 
 mm/kasan/common.c                                             |    1 
 mm/memcontrol.c                                               |   52 
 mm/memory.c                                                   |   10 
 mm/slab_common.c                                              |   12 
 mm/vmstat.c                                                   |   60 
 net/sunrpc/rpc_pipe.c                                         |    2 
 scripts/checkpatch.pl                                         |   13 
 scripts/get_maintainer.pl                                     |   38 
 tools/testing/selftests/Makefile                              |    1 
 tools/testing/selftests/filesystems/epoll/.gitignore          |    1 
 tools/testing/selftests/filesystems/epoll/Makefile            |    7 
 tools/testing/selftests/filesystems/epoll/epoll_wakeup_test.c | 3074 ++++++++++
 usr/include/Makefile                                          |    4 
 154 files changed, 5270 insertions(+), 1360 deletions(-)