Merge branch 'akpm' (patches from Andrew)

Merge misc fixes from Andrew Morton:
 "13 patches.

  Subsystems affected by this patch series: mm (memory-failure, memcg,
  userfaultfd, hugetlbfs, mremap, oom-kill, kasan, hmm), and kcov"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  mm/mmu_notifier.c: fix race in mmu_interval_notifier_remove()
  kcov: don't generate a warning on vm_insert_page()'s failure
  MAINTAINERS: add Vincenzo Frascino to KASAN reviewers
  oom_kill.c: futex: delay the OOM reaper to allow time for proper futex cleanup
  selftest/vm: add skip support to mremap_test
  selftest/vm: support xfail in mremap_test
  selftest/vm: verify remap destination address in mremap_test
  selftest/vm: verify mmap addr in mremap_test
  mm, hugetlb: allow for "high" userspace addresses
  userfaultfd: mark uffd_wp regardless of VM_WRITE flag
  memcg: sync flush only if periodic flush is delayed
  mm/memory-failure.c: skip huge_zero_page in memory_failure()
  mm/hwpoison: fix race between hugetlb free/demotion and memory_failure_hugetlb()

diff --combined MAINTAINERS
index d21963b,1905376..5e8c2f6
--- 1/MAINTAINERS
--- 2/MAINTAINERS
+++ b/MAINTAINERS
@@@ -9337,12 -9337,14 +9337,12 @@@ F:   drivers/pci/hotplug/rpaphp
  
  IBM Power SRIOV Virtual NIC Device Driver
  M:    Dany Madden <drt@linux.ibm.com>
 -M:    Sukadev Bhattiprolu <sukadev@linux.ibm.com>
  R:    Thomas Falcon <tlfalcon@linux.ibm.com>
  L:    netdev@vger.kernel.org
  S:    Supported
  F:    drivers/net/ethernet/ibm/ibmvnic.*
  
  IBM Power Virtual Accelerator Switchboard
 -M:    Sukadev Bhattiprolu <sukadev@linux.ibm.com>
  L:    linuxppc-dev@lists.ozlabs.org
  S:    Supported
  F:    arch/powerpc/include/asm/vas.h
@@@ -10547,6 -10549,7 +10547,7 @@@ M:   Andrey Ryabinin <ryabinin.a.a@gmail.
  R:    Alexander Potapenko <glider@google.com>
  R:    Andrey Konovalov <andreyknvl@gmail.com>
  R:    Dmitry Vyukov <dvyukov@google.com>
+ R:    Vincenzo Frascino <vincenzo.frascino@arm.com>
  L:    kasan-dev@googlegroups.com
  S:    Maintained
  F:    Documentation/dev-tools/kasan.rst
@@@ -13821,7 -13824,6 +13822,7 @@@ M:   Krzysztof Kozlowski <krzysztof.kozlo
  L:    linux-nfc@lists.01.org (subscribers-only)
  L:    netdev@vger.kernel.org
  S:    Maintained
 +B:    mailto:linux-nfc@lists.01.org
  F:    Documentation/devicetree/bindings/net/nfc/
  F:    drivers/nfc/
  F:    include/linux/platform_data/nfcmrvl.h