Merge android-4.19.20 (c28f73f) into msm-4.19

* refs/heads/tmp-c28f73f:
  Linux 4.19.20
  cifs: Always resolve hostname before reconnecting
  md/raid5: fix 'out of memory' during raid cache recovery
  of: overlay: do not duplicate properties from overlay for new nodes
  of: overlay: use prop add changeset entry for property in new nodes
  of: overlay: add missing of_node_get() in __of_attach_node_sysfs
  of: overlay: add tests to validate kfrees from overlay removal
  of: Convert to using %pOFn instead of device_node.name
  mm: migrate: don't rely on __PageMovable() of newpage after unlocking it
  mm: hwpoison: use do_send_sig_info() instead of force_sig()
  mm, oom: fix use-after-free in oom_kill_process
  mm,memory_hotplug: fix scan_movable_pages() for gigantic hugepages
  oom, oom_reaper: do not enqueue same task twice
  mm/hugetlb.c: teach follow_hugetlb_page() to handle FOLL_NOWAIT
  kernel/exit.c: release ptraced tasks before zap_pid_ns_processes
  btrfs: On error always free subvol_name in btrfs_mount
  Btrfs: fix deadlock when allocating tree block during leaf/node split
  mmc: sdhci-iproc: handle mmc_of_parse() errors during probe
  platform/x86: asus-nb-wmi: Drop mapping of 0x33 and 0x34 scan codes
  platform/x86: asus-nb-wmi: Map 0x35 to KEY_SCREENLOCK
  IB/hfi1: Remove overly conservative VM_EXEC flag check
  ALSA: hda/realtek - Fixed hp_pin no value
  ALSA: usb-audio: Add Opus #3 to quirks for native DSD support
  mmc: mediatek: fix incorrect register setting of hs400_cmd_int_delay
  mmc: bcm2835: Fix DMA channel leak on probe error
  gfs2: Revert "Fix loop in gfs2_rbm_find"
  gpio: sprd: Fix incorrect irq type setting for the async EIC
  gpio: sprd: Fix the incorrect data register
  gpio: pcf857x: Fix interrupts on multiple instances
  gpiolib: fix line event timestamps for nested irqs
  gpio: altera-a10sr: Set proper output level for direction_output
  arm64: hibernate: Clean the __hyp_text to PoC after resume
  arm64: hyp-stub: Forbid kprobing of the hyp-stub
  arm64: Do not issue IPIs for user executable ptes
  arm64: kaslr: ensure randomized quantities are clean also when kaslr is off
  ARM: cns3xxx: Fix writing to wrong PCI config registers after alignment
  NFS: Fix up return value on fatal errors in nfs_page_async_flush()
  selftests/seccomp: Enhance per-arch ptrace syscall skip tests
  iommu/vt-d: Fix memory leak in intel_iommu_put_resv_regions()
  fs/dcache: Fix incorrect nr_dentry_unused accounting in shrink_dcache_sb()
  CIFS: Do not consider -ENODATA as stat failure for reads
  CIFS: Fix trace command logging for SMB2 reads and writes
  CIFS: Do not count -ENODATA as failure for query directory
  virtio_net: Differentiate sk_buff and xdp_frame on freeing
  virtio_net: Use xdp_return_frame to free xdp_frames on destroying vqs
  virtio_net: Don't process redirected XDP frames when XDP is disabled
  virtio_net: Fix out of bounds access of sq
  virtio_net: Fix not restoring real_num_rx_queues
  virtio_net: Don't call free_old_xmit_skbs for xdp_frames
  virtio_net: Don't enable NAPI when interface is down
  sctp: set flow sport from saddr only when it's 0
  sctp: set chunk transport correctly when it's a new asoc
  Revert "net/mlx5e: E-Switch, Initialize eswitch only if eswitch manager"
  ip6mr: Fix notifiers call on mroute_clean_tables()
  net/mlx5e: Allow MAC invalidation while spoofchk is ON
  sctp: improve the events for sctp stream adding
  net: ip6_gre: always reports o_key to userspace
  vhost: fix OOB in get_rx_bufs()
  ucc_geth: Reset BQL queue when stopping device
  tun: move the call to tun_set_real_num_queues
  sctp: improve the events for sctp stream reset
  ravb: expand rx descriptor data to accommodate hw checksum
  net: set default network namespace in init_dummy_netdev()
  net/rose: fix NULL ax25_cb kernel panic
  netrom: switch to sock timer API
  net/mlx4_core: Add masking for a few queries on HCA caps
  net: ip_gre: use erspan key field for tunnel lookup
  net: ip_gre: always reports o_key to userspace
  l2tp: fix reading optional fields of L2TPv3
  l2tp: copy 4 more bytes to linear part if necessary
  ipvlan, l3mdev: fix broken l3s mode wrt local routes
  ipv6: sr: clear IP6CB(skb) on SRH ip4ip6 encapsulation
  ipv6: Consider sk_bound_dev_if when binding a socket to an address
  drm/msm/gpu: fix building without debugfs
  Fix "net: ipv4: do not handle duplicate fragments as overlapping"
  UPSTREAM: net: dev_is_mac_header_xmit() true for ARPHRD_RAWIP
  UPSTREAM: binder: filter out nodes when showing binder procs
  UPSTREAM: xfrm: Make set-mark default behavior backward compatible
  ANDROID: cuttlefish_defconfig: Enable CONFIG_RTC_HCTOSYS

Conflicts:
	mm/oom_kill.c

Change-Id: I95452a9f286b95924096afd2dfe439f9d638d404
Signed-off-by: Ivaylo Georgiev <irgeorgiev@codeaurora.org>