Merge android-4.4-p.201 (ef0b39d) into msm-4.4

* refs/heads/tmp-ef0b39d
  commit e82b9b0727ff ("vhost: introduce vhost_exceeds_weight()")
  Linux 4.4.201
  drm/i915/cmdparser: Fix jump whitelist clearing
  drm/i915/gen8+: Add RC6 CTX corruption WA
  drm/i915: Lower RM timeout to avoid DSI hard hangs
  drm/i915/cmdparser: Ignore Length operands during command matching
  drm/i915/cmdparser: Add support for backward jumps
  drm/i915: Add gen9 BCS cmdparsing
  drm/i915: Allow parsing of unsized batches
  drm/i915: Support ro ppgtt mapped cmdparser shadow buffers
  drm/i915: Add support for mandatory cmdparsing
  drm/i915: Remove Master tables from cmdparser
  drm/i915: Disable Secure Batches for gen6+
  drm/i915: Rename gen7 cmdparser tables
  drm/i915/gtt: Disable read-only support under GVT
  drm/i915/gtt: Read-only pages for insert_entries on bdw+
  drm/i915/gtt: Add read only pages to gen8_pte_encode
  net: prevent load/store tearing on sk->sk_stamp
  cgroup,writeback: don't switch wbs immediately on dead wbs if the memcg is dead
  mm/filemap.c: don't initiate writeback if mapping has no dirty pages
  can: flexcan: disable completely the ECC mechanism
  e1000: fix memory leaks
  igb: Fix constant media auto sense switching when no cable is connected
  NFSv4: Don't allow a cached open with a revoked delegation
  net: hisilicon: Fix "Trying to free already-free IRQ"
  scsi: qla2xxx: stop timer in shutdown path
  USB: Skip endpoints with 0 maxpacket length
  perf/x86/amd/ibs: Fix reading of the IBS OpData register and thus precise RIP validity
  usb: gadget: configfs: fix concurrent issue between composite APIs
  usb: gadget: composite: Fix possible double free memory bug
  usb: gadget: udc: atmel: Fix interrupt storm in FIFO mode.
  usb: fsl: Check memory resource before releasing it
  bonding: fix unexpected IFF_BONDING bit unset
  ipvs: move old_secure_tcp into struct netns_ipvs
  scsi: lpfc: Honor module parameter lpfc_use_adisc
  scsi: qla2xxx: fixup incorrect usage of host_byte
  PCI: tegra: Enable Relaxed Ordering only for Tegra20 & Tegra30
  configfs: fix a deadlock in configfs_symlink()
  drivers: usb: usbip: Add missing break statement to switch
  can: peak_usb: fix slab info leak
  can: gs_usb: gs_can_open(): prevent memory leak
  can: peak_usb: fix a potential out-of-sync while decoding packets
  can: c_can: c_can_poll(): only read status register after status IRQ
  can: usb_8dev: fix use-after-free on disconnect
  netfilter: ipset: Fix an error code in ip_set_sockfn_get()
  netfilter: nf_tables: Align nft_expr private data to 64-bit
  iio: imu: adis16480: make sure provided frequency is positive
  ceph: fix use-after-free in __ceph_remove_cap()
  drm/radeon: fix si_enable_smc_cac() failed issue
  perf tools: Fix time sorting
  dump_stack: avoid the livelock of the dump_lock
  mm, vmstat: hide /proc/pagetypeinfo from normal users
  ALSA: hda/ca0132 - Fix possible workqueue stall
  ALSA: bebob: fix to detect configured source of sampling clock for Focusrite Saffire Pro i/o series
  nfc: netlink: fix double device reference drop
  qede: fix NULL pointer deref in __qede_remove()
  NFC: st21nfca: fix double free
  NFC: fdp: fix incorrect free object
  net: fix data-race in neigh_event_send()
  CDC-NCM: handle incomplete transfer of MTU

Fixed build error of unused functions like configfs_composite_setup()

Spinlock is not initialized in commit
'usb: gadget: configfs: fix concurrent issue between composite APIs'
due to this device is crashing with spinlock bad magic , fixed it by initialyzing spinlock.

Change-Id: I60ef410910744b0b9e33b2968f1cfbacb7fea446
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>

2 files changed, 3 insertions, 2 deletions

diff --git a/mm/filemap.c b/mm/filemap.c
index ea5c7a6e20d2..6f3c539d9e68 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -342,7 +342,8 @@ int __filemap_fdatawrite_range(struct address_space *mapping, loff_t start,
 		.range_end = end,
 	};
 
-	if (!mapping_cap_writeback_dirty(mapping))
+	if (!mapping_cap_writeback_dirty(mapping) ||
+	    !mapping_tagged(mapping, PAGECACHE_TAG_DIRTY))
 		return 0;
 
 	wbc_attach_fdatawrite_inode(&wbc, mapping->host);
diff --git a/mm/vmstat.c b/mm/vmstat.c
index e297ed47aa58..3a07628297da 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1588,7 +1588,7 @@ static int __init setup_vmstat(void)
 #endif
 #ifdef CONFIG_PROC_FS
 	proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations);
-	proc_create("pagetypeinfo", S_IRUGO, NULL, &pagetypeinfo_file_ops);
+	proc_create("pagetypeinfo", 0400, NULL, &pagetypeinfo_file_ops);
 	proc_create("vmstat", S_IRUGO, NULL, &proc_vmstat_file_operations);
 	proc_create("zoneinfo", S_IRUGO, NULL, &proc_zoneinfo_file_operations);
 #endif