26 files changed, 170 insertions, 65 deletions

diff --git a/include/acpi/cppc_acpi.h b/include/acpi/cppc_acpi.h
index 717a29810473..dad8af3ebeb5 100644
--- a/include/acpi/cppc_acpi.h
+++ b/include/acpi/cppc_acpi.h
@@ -133,6 +133,5 @@ extern int acpi_get_psd_map(struct cpudata **);
 /* Methods to interact with the PCC mailbox controller. */
 extern struct mbox_chan *
         pcc_mbox_request_channel(struct mbox_client *, unsigned int);
-extern int mbox_send_message(struct mbox_chan *chan, void *mssg);
 
 #endif /* _CPPC_ACPI_H*/
diff --git a/include/drm/drm_cache.h b/include/drm/drm_cache.h
index 7bfb063029d8..461a0558bca4 100644
--- a/include/drm/drm_cache.h
+++ b/include/drm/drm_cache.h
@@ -35,4 +35,13 @@
 
 void drm_clflush_pages(struct page *pages[], unsigned long num_pages);
 
+static inline bool drm_arch_can_wc_memory(void)
+{
+#if defined(CONFIG_PPC) && !defined(CONFIG_NOT_COHERENT_CACHE)
+        return false;
+#else
+        return true;
+#endif
+}
+
 #endif
diff --git a/include/drm/drm_dp_mst_helper.h b/include/drm/drm_dp_mst_helper.h
index 24ab1787b771..fdb47051d549 100644
--- a/include/drm/drm_dp_mst_helper.h
+++ b/include/drm/drm_dp_mst_helper.h
@@ -44,8 +44,6 @@ struct drm_dp_vcpi {
 /**
  * struct drm_dp_mst_port - MST port
  * @kref: reference count for this port.
- * @guid_valid: for DP 1.2 devices if we have validated the GUID.
- * @guid: guid for DP 1.2 device on this port.
  * @port_num: port number
  * @input: if this port is an input port.
  * @mcs: message capability status - DP 1.2 spec.
@@ -70,10 +68,6 @@ struct drm_dp_vcpi {
 struct drm_dp_mst_port {
         struct kref kref;
 
-        /* if dpcd 1.2 device is on this port - its GUID info */
-        bool guid_valid;
-        u8 guid[16];
-
         u8 port_num;
         bool input;
         bool mcs;
@@ -110,10 +104,12 @@ struct drm_dp_mst_port {
  * @tx_slots: transmission slots for this device.
  * @last_seqno: last sequence number used to talk to this.
  * @link_address_sent: if a link address message has been sent to this device yet.
+ * @guid: guid for DP 1.2 branch device. port under this branch can be
+ * identified by port #.
  *
  * This structure represents an MST branch device, there is one
- * primary branch device at the root, along with any others connected
- * to downstream ports
+ * primary branch device at the root, along with any other branches connected
+ * to downstream port of parent branches.
  */
 struct drm_dp_mst_branch {
         struct kref kref;
@@ -132,6 +128,9 @@ struct drm_dp_mst_branch {
         struct drm_dp_sideband_msg_tx *tx_slots[2];
         int last_seqno;
         bool link_address_sent;
+
+        /* global unique identifier to identify branch devices */
+        u8 guid[16];
 };
 
 
@@ -406,11 +405,9 @@ struct drm_dp_payload {
  * @conn_base_id: DRM connector ID this mgr is connected to.
  * @down_rep_recv: msg receiver state for down replies.
  * @up_req_recv: msg receiver state for up requests.
- * @lock: protects mst state, primary, guid, dpcd.
+ * @lock: protects mst state, primary, dpcd.
  * @mst_state: if this manager is enabled for an MST capable port.
  * @mst_primary: pointer to the primary branch device.
- * @guid_valid: GUID valid for the primary branch device.
- * @guid: GUID for primary port.
  * @dpcd: cache of DPCD for primary port.
  * @pbn_div: PBN to slots divisor.
  *
@@ -432,13 +429,11 @@ struct drm_dp_mst_topology_mgr {
         struct drm_dp_sideband_msg_rx up_req_recv;
 
         /* pointer to info about the initial MST device */
-        struct mutex lock; /* protects mst_state + primary + guid + dpcd */
+        struct mutex lock; /* protects mst_state + primary + dpcd */
 
         bool mst_state;
         struct drm_dp_mst_branch *mst_primary;
-        /* primary MST device GUID */
-        bool guid_valid;
-        u8 guid[16];
+
         u8 dpcd[DP_RECEIVER_CAP_SIZE];
         u8 sink_count;
         int pbn_div;
diff --git a/include/drm/drm_fixed.h b/include/drm/drm_fixed.h
index d639049a613d..553210c02ee0 100644
--- a/include/drm/drm_fixed.h
+++ b/include/drm/drm_fixed.h
@@ -73,18 +73,28 @@ static inline u32 dfixed_div(fixed20_12 A, fixed20_12 B)
 #define DRM_FIXED_ONE           (1ULL << DRM_FIXED_POINT)
 #define DRM_FIXED_DECIMAL_MASK  (DRM_FIXED_ONE - 1)
 #define DRM_FIXED_DIGITS_MASK   (~DRM_FIXED_DECIMAL_MASK)
+#define DRM_FIXED_EPSILON       1LL
+#define DRM_FIXED_ALMOST_ONE    (DRM_FIXED_ONE - DRM_FIXED_EPSILON)
 
 static inline s64 drm_int2fixp(int a)
 {
         return ((s64)a) << DRM_FIXED_POINT;
 }
 
-static inline int drm_fixp2int(int64_t a)
+static inline int drm_fixp2int(s64 a)
 {
         return ((s64)a) >> DRM_FIXED_POINT;
 }
 
-static inline unsigned drm_fixp_msbset(int64_t a)
+static inline int drm_fixp2int_ceil(s64 a)
+{
+        if (a > 0)
+                return drm_fixp2int(a + DRM_FIXED_ALMOST_ONE);
+        else
+                return drm_fixp2int(a - DRM_FIXED_ALMOST_ONE);
+}
+
+static inline unsigned drm_fixp_msbset(s64 a)
 {
         unsigned shift, sign = (a >> 63) & 1;
 
@@ -136,6 +146,45 @@ static inline s64 drm_fixp_div(s64 a, s64 b)
         return result;
 }
 
+static inline s64 drm_fixp_from_fraction(s64 a, s64 b)
+{
+        s64 res;
+        bool a_neg = a < 0;
+        bool b_neg = b < 0;
+        u64 a_abs = a_neg ? -a : a;
+        u64 b_abs = b_neg ? -b : b;
+        u64 rem;
+
+        /* determine integer part */
+        u64 res_abs  = div64_u64_rem(a_abs, b_abs, &rem);
+
+        /* determine fractional part */
+        {
+                u32 i = DRM_FIXED_POINT;
+
+                do {
+                        rem <<= 1;
+                        res_abs <<= 1;
+                        if (rem >= b_abs) {
+                                res_abs |= 1;
+                                rem -= b_abs;
+                        }
+                } while (--i != 0);
+        }
+
+        /* round up LSB */
+        {
+                u64 summand = (rem << 1) >= b_abs;
+
+                res_abs += summand;
+        }
+
+        res = (s64) res_abs;
+        if (a_neg ^ b_neg)
+                res = -res;
+        return res;
+}
+
 static inline s64 drm_fixp_exp(s64 x)
 {
         s64 tolerance = div64_s64(DRM_FIXED_ONE, 1000000);
diff --git a/include/linux/dax.h b/include/linux/dax.h
index 8204c3dc3800..818e45078929 100644
--- a/include/linux/dax.h
+++ b/include/linux/dax.h
@@ -14,6 +14,17 @@ int dax_fault(struct vm_area_struct *, struct vm_fault *, get_block_t,
                 dax_iodone_t);
 int __dax_fault(struct vm_area_struct *, struct vm_fault *, get_block_t,
                 dax_iodone_t);
+
+#ifdef CONFIG_FS_DAX
+struct page *read_dax_sector(struct block_device *bdev, sector_t n);
+#else
+static inline struct page *read_dax_sector(struct block_device *bdev,
+                sector_t n)
+{
+        return ERR_PTR(-ENXIO);
+}
+#endif
+
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
 int dax_pmd_fault(struct vm_area_struct *, unsigned long addr, pmd_t *,
                                 unsigned int flags, get_block_t, dax_iodone_t);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 1a2046275cdf..ae681002100a 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -484,9 +484,6 @@ struct block_device {
         int                     bd_fsfreeze_count;
         /* Mutex for freeze */
         struct mutex            bd_fsfreeze_mutex;
-#ifdef CONFIG_FS_DAX
-        int                     bd_map_count;
-#endif
 };
 
 /*
@@ -2907,7 +2904,7 @@ extern void replace_mount_options(struct super_block *sb, char *options);
 
 static inline bool io_is_direct(struct file *filp)
 {
-        return (filp->f_flags & O_DIRECT) || IS_DAX(file_inode(filp));
+        return (filp->f_flags & O_DIRECT) || IS_DAX(filp->f_mapping->host);
 }
 
 static inline int iocb_flags(struct file *file)
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 9ae48d4aeb5e..792c8981e633 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -51,7 +51,7 @@ enum mem_cgroup_stat_index {
         MEM_CGROUP_STAT_SWAP,           /* # of pages, swapped out */
         MEM_CGROUP_STAT_NSTATS,
         /* default hierarchy stats */
-        MEMCG_SOCK,
+        MEMCG_SOCK = MEM_CGROUP_STAT_NSTATS,
         MEMCG_NR_STAT,
 };
 
diff --git a/include/linux/mm.h b/include/linux/mm.h
index f1cd22f2df1a..516e14944339 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -201,11 +201,13 @@ extern unsigned int kobjsize(const void *objp);
 #endif
 
 #ifdef CONFIG_STACK_GROWSUP
-#define VM_STACK_FLAGS  (VM_GROWSUP | VM_STACK_DEFAULT_FLAGS | VM_ACCOUNT)
+#define VM_STACK        VM_GROWSUP
 #else
-#define VM_STACK_FLAGS  (VM_GROWSDOWN | VM_STACK_DEFAULT_FLAGS | VM_ACCOUNT)
+#define VM_STACK        VM_GROWSDOWN
 #endif
 
+#define VM_STACK_FLAGS  (VM_STACK | VM_STACK_DEFAULT_FLAGS | VM_ACCOUNT)
+
 /*
  * Special vmas that are non-mergable, non-mlock()able.
  * Note: mm/huge_memory.c VM_NO_THP depends on this definition.
@@ -1341,8 +1343,7 @@ static inline int stack_guard_page_end(struct vm_area_struct *vma,
                 !vma_growsup(vma->vm_next, addr);
 }
 
-extern struct task_struct *task_of_stack(struct task_struct *task,
-                                struct vm_area_struct *vma, bool in_group);
+int vma_is_stack_for_task(struct vm_area_struct *vma, struct task_struct *t);
 
 extern unsigned long move_page_tables(struct vm_area_struct *vma,
                 unsigned long old_addr, struct vm_area_struct *new_vma,
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index d3ebb9d21a53..624b78b848b8 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -424,9 +424,9 @@ struct mm_struct {
         unsigned long total_vm;         /* Total pages mapped */
         unsigned long locked_vm;        /* Pages that have PG_mlocked set */
         unsigned long pinned_vm;        /* Refcount permanently increased */
-        unsigned long data_vm;          /* VM_WRITE & ~VM_SHARED/GROWSDOWN */
-        unsigned long exec_vm;          /* VM_EXEC & ~VM_WRITE */
-        unsigned long stack_vm;         /* VM_GROWSUP/DOWN */
+        unsigned long data_vm;          /* VM_WRITE & ~VM_SHARED & ~VM_STACK */
+        unsigned long exec_vm;          /* VM_EXEC & ~VM_WRITE & ~VM_STACK */
+        unsigned long stack_vm;         /* VM_STACK */
         unsigned long def_flags;
         unsigned long start_code, end_code, start_data, end_data;
         unsigned long start_brk, brk, start_stack;
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 33bb1b19273e..7b6c2cfee390 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -682,6 +682,12 @@ typedef struct pglist_data {
          */
         unsigned long first_deferred_pfn;
 #endif /* CONFIG_DEFERRED_STRUCT_PAGE_INIT */
+
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+        spinlock_t split_queue_lock;
+        struct list_head split_queue;
+        unsigned long split_queue_len;
+#endif
 } pg_data_t;
 
 #define node_present_pages(nid) (NODE_DATA(nid)->node_present_pages)
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 5ac140dcb789..289c2314d766 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -512,7 +512,6 @@ static inline void napi_enable(struct napi_struct *n)
         clear_bit(NAPI_STATE_NPSVC, &n->state);
 }
 
-#ifdef CONFIG_SMP
 /**
  *      napi_synchronize - wait until NAPI is not running
  *      @n: napi context
@@ -523,12 +522,12 @@ static inline void napi_enable(struct napi_struct *n)
  */
 static inline void napi_synchronize(const struct napi_struct *n)
 {
-        while (test_bit(NAPI_STATE_SCHED, &n->state))
-                msleep(1);
+        if (IS_ENABLED(CONFIG_SMP))
+                while (test_bit(NAPI_STATE_SCHED, &n->state))
+                        msleep(1);
+        else
+                barrier();
 }
-#else
-# define napi_synchronize(n)    barrier()
-#endif
 
 enum netdev_queue_state_t {
         __QUEUE_STATE_DRV_XOFF,
diff --git a/include/linux/of.h b/include/linux/of.h
index dd10626a615f..dc6e39696b64 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -929,7 +929,7 @@ static inline int of_get_available_child_count(const struct device_node *np)
         return num;
 }
 
-#ifdef CONFIG_OF
+#if defined(CONFIG_OF) && !defined(MODULE)
 #define _OF_DECLARE(table, name, compat, fn, fn_type)                   \
         static const struct of_device_id __of_table_##name              \
                 __used __section(__##table##_of_table)                  \
diff --git a/include/linux/pfn_t.h b/include/linux/pfn_t.h
index 0703b5360d31..37448ab5fb5c 100644
--- a/include/linux/pfn_t.h
+++ b/include/linux/pfn_t.h
@@ -29,7 +29,7 @@ static inline pfn_t pfn_to_pfn_t(unsigned long pfn)
         return __pfn_to_pfn_t(pfn, 0);
 }
 
-extern pfn_t phys_to_pfn_t(dma_addr_t addr, unsigned long flags);
+extern pfn_t phys_to_pfn_t(phys_addr_t addr, unsigned long flags);
 
 static inline bool pfn_t_has_page(pfn_t pfn)
 {
@@ -48,7 +48,7 @@ static inline struct page *pfn_t_to_page(pfn_t pfn)
         return NULL;
 }
 
-static inline dma_addr_t pfn_t_to_phys(pfn_t pfn)
+static inline phys_addr_t pfn_t_to_phys(pfn_t pfn)
 {
         return PFN_PHYS(pfn_t_to_pfn(pfn));
 }
diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h
index 7c88ad156a29..00b17c526c1f 100644
--- a/include/linux/radix-tree.h
+++ b/include/linux/radix-tree.h
@@ -379,6 +379,22 @@ void **radix_tree_next_chunk(struct radix_tree_root *root,
                              struct radix_tree_iter *iter, unsigned flags);
 
 /**
+ * radix_tree_iter_retry - retry this chunk of the iteration
+ * @iter:       iterator state
+ *
+ * If we iterate over a tree protected only by the RCU lock, a race
+ * against deletion or creation may result in seeing a slot for which
+ * radix_tree_deref_retry() returns true.  If so, call this function
+ * and continue the iteration.
+ */
+static inline __must_check
+void **radix_tree_iter_retry(struct radix_tree_iter *iter)
+{
+        iter->next_index = iter->index;
+        return NULL;
+}
+
+/**
  * radix_tree_chunk_size - get current chunk size
  *
  * @iter:       pointer to radix tree iterator
diff --git a/include/linux/raid/pq.h b/include/linux/raid/pq.h
index a7a06d1dcf9c..a0118d5929a9 100644
--- a/include/linux/raid/pq.h
+++ b/include/linux/raid/pq.h
@@ -152,6 +152,8 @@ void raid6_dual_recov(int disks, size_t bytes, int faila, int failb,
 
 # define jiffies        raid6_jiffies()
 # define printk         printf
+# define pr_err(format, ...) fprintf(stderr, format, ## __VA_ARGS__)
+# define pr_info(format, ...) fprintf(stdout, format, ## __VA_ARGS__)
 # define GFP_KERNEL     0
 # define __get_free_pages(x, y) ((unsigned long)mmap(NULL, PAGE_SIZE << (y), \
                                                      PROT_READ|PROT_WRITE,   \
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index ef03ae56b1c1..8a0f55b6c2ba 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -533,7 +533,8 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory,
                 const unsigned int requested_sizes[]);
 int vb2_core_prepare_buf(struct vb2_queue *q, unsigned int index, void *pb);
 int vb2_core_qbuf(struct vb2_queue *q, unsigned int index, void *pb);
-int vb2_core_dqbuf(struct vb2_queue *q, void *pb, bool nonblocking);
+int vb2_core_dqbuf(struct vb2_queue *q, unsigned int *pindex, void *pb,
+                   bool nonblocking);
 
 int vb2_core_streamon(struct vb2_queue *q, unsigned int type);
 int vb2_core_streamoff(struct vb2_queue *q, unsigned int type);
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 52899291f401..5ee3c689c863 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -252,6 +252,12 @@ struct l2cap_conn_rsp {
 #define L2CAP_PSM_3DSP          0x0021
 #define L2CAP_PSM_IPSP          0x0023 /* 6LoWPAN */
 
+#define L2CAP_PSM_DYN_START     0x1001
+#define L2CAP_PSM_DYN_END       0xffff
+#define L2CAP_PSM_AUTO_END      0x10ff
+#define L2CAP_PSM_LE_DYN_START  0x0080
+#define L2CAP_PSM_LE_DYN_END    0x00ff
+
 /* channel identifier */
 #define L2CAP_CID_SIGNALING     0x0001
 #define L2CAP_CID_CONN_LESS     0x0002
diff --git a/include/net/dst_metadata.h b/include/net/dst_metadata.h
index 6816f0fa5693..30a56ab2ccfb 100644
--- a/include/net/dst_metadata.h
+++ b/include/net/dst_metadata.h
@@ -44,6 +44,24 @@ static inline bool skb_valid_dst(const struct sk_buff *skb)
         return dst && !(dst->flags & DST_METADATA);
 }
 
+static inline int skb_metadata_dst_cmp(const struct sk_buff *skb_a,
+                                       const struct sk_buff *skb_b)
+{
+        const struct metadata_dst *a, *b;
+
+        if (!(skb_a->_skb_refdst | skb_b->_skb_refdst))
+                return 0;
+
+        a = (const struct metadata_dst *) skb_dst(skb_a);
+        b = (const struct metadata_dst *) skb_dst(skb_b);
+
+        if (!a != !b || a->u.tun_info.options_len != b->u.tun_info.options_len)
+                return 1;
+
+        return memcmp(&a->u.tun_info, &b->u.tun_info,
+                      sizeof(a->u.tun_info) + a->u.tun_info.options_len);
+}
+
 struct metadata_dst *metadata_dst_alloc(u8 optslen, gfp_t flags);
 struct metadata_dst __percpu *metadata_dst_alloc_percpu(u8 optslen, gfp_t flags);
 
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 877f682989b8..295d291269e2 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -64,8 +64,16 @@ static inline bool rt6_need_strict(const struct in6_addr *daddr)
 
 void ip6_route_input(struct sk_buff *skb);
 
-struct dst_entry *ip6_route_output(struct net *net, const struct sock *sk,
-                                   struct flowi6 *fl6);
+struct dst_entry *ip6_route_output_flags(struct net *net, const struct sock *sk,
+                                         struct flowi6 *fl6, int flags);
+
+static inline struct dst_entry *ip6_route_output(struct net *net,
+                                                 const struct sock *sk,
+                                                 struct flowi6 *fl6)
+{
+        return ip6_route_output_flags(net, sk, fl6, 0);
+}
+
 struct dst_entry *ip6_route_lookup(struct net *net, struct flowi6 *fl6,
                                    int flags);
 
diff --git a/include/net/netfilter/nf_conntrack_core.h b/include/net/netfilter/nf_conntrack_core.h
index 788ef58a66b9..62e17d1319ff 100644
--- a/include/net/netfilter/nf_conntrack_core.h
+++ b/include/net/netfilter/nf_conntrack_core.h
@@ -79,12 +79,10 @@ print_tuple(struct seq_file *s, const struct nf_conntrack_tuple *tuple,
             const struct nf_conntrack_l3proto *l3proto,
             const struct nf_conntrack_l4proto *proto);
 
-#ifdef CONFIG_LOCKDEP
-# define CONNTRACK_LOCKS 8
-#else
-# define CONNTRACK_LOCKS 1024
-#endif
+#define CONNTRACK_LOCKS 1024
+
 extern spinlock_t nf_conntrack_locks[CONNTRACK_LOCKS];
+void nf_conntrack_lock(spinlock_t *lock);
 
 extern spinlock_t nf_conntrack_expect_lock;
 
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 20e72129be1c..205630bb5010 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -756,7 +756,6 @@ struct sctp_transport {
 
         /* Reference counting. */
         atomic_t refcnt;
-        __u32    dead:1,
                 /* RTO-Pending : A flag used to track if one of the DATA
                  *              chunks sent to this address is currently being
                  *              used to compute a RTT. If this flag is 0,
@@ -766,7 +765,7 @@ struct sctp_transport {
                  *              calculation completes (i.e. the DATA chunk
                  *              is SACK'd) clear this flag.
                  */
-                 rto_pending:1,
+        __u32   rto_pending:1,
 
                 /*
                  * hb_sent : a flag that signals that we have a pending
@@ -955,7 +954,7 @@ void sctp_transport_route(struct sctp_transport *, union sctp_addr *,
 void sctp_transport_pmtu(struct sctp_transport *, struct sock *sk);
 void sctp_transport_free(struct sctp_transport *);
 void sctp_transport_reset_timers(struct sctp_transport *);
-void sctp_transport_hold(struct sctp_transport *);
+int sctp_transport_hold(struct sctp_transport *);
 void sctp_transport_put(struct sctp_transport *);
 void sctp_transport_update_rto(struct sctp_transport *, __u32);
 void sctp_transport_raise_cwnd(struct sctp_transport *, __u32, __u32);
diff --git a/include/net/sock.h b/include/net/sock.h
index b9e7b3d863a0..f5ea148853e2 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1036,18 +1036,6 @@ struct proto {
 #ifdef SOCK_REFCNT_DEBUG
         atomic_t                socks;
 #endif
-#ifdef CONFIG_MEMCG_KMEM
-        /*
-         * cgroup specific init/deinit functions. Called once for all
-         * protocols that implement it, from cgroups populate function.
-         * This function has to setup any files the protocol want to
-         * appear in the kmem cgroup filesystem.
-         */
-        int                     (*init_cgroup)(struct mem_cgroup *memcg,
-                                               struct cgroup_subsys *ss);
-        void                    (*destroy_cgroup)(struct mem_cgroup *memcg);
-        struct cg_proto         *(*proto_cgroup)(struct mem_cgroup *memcg);
-#endif
         int                     (*diag_destroy)(struct sock *sk, int err);
 };
 
diff --git a/include/net/sock_reuseport.h b/include/net/sock_reuseport.h
index 7dda3d7adba8..aecd30308d50 100644
--- a/include/net/sock_reuseport.h
+++ b/include/net/sock_reuseport.h
@@ -16,7 +16,7 @@ struct sock_reuseport {
 };
 
 extern int reuseport_alloc(struct sock *sk);
-extern int reuseport_add_sock(struct sock *sk, const struct sock *sk2);
+extern int reuseport_add_sock(struct sock *sk, struct sock *sk2);
 extern void reuseport_detach_sock(struct sock *sk);
 extern struct sock *reuseport_select_sock(struct sock *sk,
                                           u32 hash,
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 8ea19977ea53..f6f8f032c73e 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -216,7 +216,7 @@ void tcp_time_wait(struct sock *sk, int state, int timeo);
 /* TCP thin-stream limits */
 #define TCP_THIN_LINEAR_RETRIES 6       /* After 6 linear retries, do exp. backoff */
 
-/* TCP initial congestion window as per draft-hkchu-tcpm-initcwnd-01 */
+/* TCP initial congestion window as per rfc6928 */
 #define TCP_INIT_CWND           10
 
 /* Bit Flags for sysctl_tcp_fastopen */
diff --git a/include/sound/rawmidi.h b/include/sound/rawmidi.h
index fdabbb4ddba9..f730b91e472f 100644
--- a/include/sound/rawmidi.h
+++ b/include/sound/rawmidi.h
@@ -167,6 +167,10 @@ int snd_rawmidi_transmit_peek(struct snd_rawmidi_substream *substream,
 int snd_rawmidi_transmit_ack(struct snd_rawmidi_substream *substream, int count);
 int snd_rawmidi_transmit(struct snd_rawmidi_substream *substream,
                          unsigned char *buffer, int count);
+int __snd_rawmidi_transmit_peek(struct snd_rawmidi_substream *substream,
+                              unsigned char *buffer, int count);
+int __snd_rawmidi_transmit_ack(struct snd_rawmidi_substream *substream,
+                               int count);
 
 /* main midi functions */
 
diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h
index 41e0433b4a83..149bec83a907 100644
--- a/include/uapi/linux/fs.h
+++ b/include/uapi/linux/fs.h
@@ -222,7 +222,6 @@ struct fsxattr {
 #define BLKSECDISCARD _IO(0x12,125)
 #define BLKROTATIONAL _IO(0x12,126)
 #define BLKZEROOUT _IO(0x12,127)
-#define BLKDAXSET _IO(0x12,128)
 #define BLKDAXGET _IO(0x12,129)
 
 #define BMAP_IOCTL 1            /* obsolete - kept for compatibility */