20 files changed, 66 insertions, 26 deletions

diff --git a/include/Kbuild b/include/Kbuild
index 83256b64166a..1dfd33e8d43b 100644
--- a/include/Kbuild
+++ b/include/Kbuild
@@ -1,8 +1,5 @@
 # Top-level Makefile calls into asm-$(ARCH)
 # List only non-arch directories below
 
-header-y += linux/
-header-y += sound/
-header-y += rdma/
 header-y += video/
 header-y += scsi/
diff --git a/include/drm/drm_mm.h b/include/drm/drm_mm.h
index 06d7f798a08c..0f4a366f6fa6 100644
--- a/include/drm/drm_mm.h
+++ b/include/drm/drm_mm.h
@@ -158,12 +158,29 @@ static inline struct drm_mm_node *drm_mm_get_block_atomic_range(
         return drm_mm_get_block_range_generic(parent, size, alignment, 0,
                                                 start, end, 1);
 }
-extern int drm_mm_insert_node(struct drm_mm *mm, struct drm_mm_node *node,
-                              unsigned long size, unsigned alignment);
+
+extern int drm_mm_insert_node(struct drm_mm *mm,
+                              struct drm_mm_node *node,
+                              unsigned long size,
+                              unsigned alignment);
 extern int drm_mm_insert_node_in_range(struct drm_mm *mm,
                                        struct drm_mm_node *node,
-                                       unsigned long size, unsigned alignment,
-                                       unsigned long start, unsigned long end);
+                                       unsigned long size,
+                                       unsigned alignment,
+                                       unsigned long start,
+                                       unsigned long end);
+extern int drm_mm_insert_node_generic(struct drm_mm *mm,
+                                      struct drm_mm_node *node,
+                                      unsigned long size,
+                                      unsigned alignment,
+                                      unsigned long color);
+extern int drm_mm_insert_node_in_range_generic(struct drm_mm *mm,
+                                       struct drm_mm_node *node,
+                                       unsigned long size,
+                                       unsigned alignment,
+                                       unsigned long color,
+                                       unsigned long start,
+                                       unsigned long end);
 extern void drm_mm_put_block(struct drm_mm_node *cur);
 extern void drm_mm_remove_node(struct drm_mm_node *node);
 extern void drm_mm_replace_node(struct drm_mm_node *old, struct drm_mm_node *new);
diff --git a/include/linux/Kbuild b/include/linux/Kbuild
deleted file mode 100644
index 7fe2dae251e5..000000000000
--- a/include/linux/Kbuild
+++ /dev/null
@@ -1,5 +0,0 @@
-header-y += dvb/
-header-y += hdlc/
-header-y += hsi/
-header-y += raid/
-header-y += usb/
diff --git a/include/linux/hdlc/Kbuild b/include/linux/hdlc/Kbuild
deleted file mode 100644
index e69de29bb2d1..000000000000
--- a/include/linux/hdlc/Kbuild
+++ /dev/null
diff --git a/include/linux/hsi/Kbuild b/include/linux/hsi/Kbuild
deleted file mode 100644
index e69de29bb2d1..000000000000
--- a/include/linux/hsi/Kbuild
+++ /dev/null
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index 1be23d9fdacb..e30b66346942 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -1098,7 +1098,7 @@ void		 jbd2_journal_set_triggers(struct buffer_head *,
 extern int       jbd2_journal_dirty_metadata (handle_t *, struct buffer_head *);
 extern int       jbd2_journal_forget (handle_t *, struct buffer_head *);
 extern void      journal_sync_buffer (struct buffer_head *);
-extern void      jbd2_journal_invalidatepage(journal_t *,
+extern int       jbd2_journal_invalidatepage(journal_t *,
                                 struct page *, unsigned long);
 extern int       jbd2_journal_try_to_free_buffers(journal_t *, struct page *, gfp_t);
 extern int       jbd2_journal_stop(handle_t *);
diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h
index 9adc270de7ef..0d7df39a5885 100644
--- a/include/linux/mempolicy.h
+++ b/include/linux/mempolicy.h
@@ -123,7 +123,7 @@ struct sp_node {
 
 struct shared_policy {
         struct rb_root root;
-        struct mutex mutex;
+        spinlock_t lock;
 };
 
 void mpol_shared_policy_init(struct shared_policy *sp, struct mempolicy *mpol);
@@ -165,11 +165,10 @@ int do_migrate_pages(struct mm_struct *mm, const nodemask_t *from,
 
 
 #ifdef CONFIG_TMPFS
-extern int mpol_parse_str(char *str, struct mempolicy **mpol, int no_context);
+extern int mpol_parse_str(char *str, struct mempolicy **mpol);
 #endif
 
-extern int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol,
-                        int no_context);
+extern int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol);
 
 /* Check if a vma is migratable */
 static inline int vma_migratable(struct vm_area_struct *vma)
@@ -296,15 +295,13 @@ static inline void check_highest_zone(int k)
 }
 
 #ifdef CONFIG_TMPFS
-static inline int mpol_parse_str(char *str, struct mempolicy **mpol,
-                                int no_context)
+static inline int mpol_parse_str(char *str, struct mempolicy **mpol)
 {
         return 1;       /* error */
 }
 #endif
 
-static inline int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol,
-                                int no_context)
+static inline int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol)
 {
         return 0;
 }
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 02e0f6b156c3..c599e4782d45 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1576,7 +1576,7 @@ extern int call_netdevice_notifiers(unsigned long val, struct net_device *dev);
 
 extern rwlock_t                         dev_base_lock;          /* Device list lock */
 
-extern seqlock_t        devnet_rename_seq;      /* Device rename lock */
+extern seqcount_t       devnet_rename_seq;      /* Device rename seq */
 
 
 #define for_each_netdev(net, d)         \
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index b5d13841604e..70473da47b3f 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -362,7 +362,7 @@ static inline void ClearPageCompound(struct page *page)
  * pages on the LRU and/or pagecache.
  */
 TESTPAGEFLAG(Compound, compound)
-__PAGEFLAG(Head, compound)
+__SETPAGEFLAG(Head, compound)  __CLEARPAGEFLAG(Head, compound)
 
 /*
  * PG_reclaim is used in combination with PG_compound to mark the
@@ -374,8 +374,14 @@ __PAGEFLAG(Head, compound)
  * PG_compound & PG_reclaim     => Tail page
  * PG_compound & ~PG_reclaim    => Head page
  */
+#define PG_head_mask ((1L << PG_compound))
 #define PG_head_tail_mask ((1L << PG_compound) | (1L << PG_reclaim))
 
+static inline int PageHead(struct page *page)
+{
+        return ((page->flags & PG_head_tail_mask) == PG_head_mask);
+}
+
 static inline int PageTail(struct page *page)
 {
         return ((page->flags & PG_head_tail_mask) == PG_head_tail_mask);
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 0f8447376ddb..0eb65796bcb9 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1568,6 +1568,7 @@
 #define PCI_DEVICE_ID_RICOH_RL5C476     0x0476
 #define PCI_DEVICE_ID_RICOH_RL5C478     0x0478
 #define PCI_DEVICE_ID_RICOH_R5C822      0x0822
+#define PCI_DEVICE_ID_RICOH_R5CE822     0xe822
 #define PCI_DEVICE_ID_RICOH_R5CE823     0xe823
 #define PCI_DEVICE_ID_RICOH_R5C832      0x0832
 #define PCI_DEVICE_ID_RICOH_R5C843      0x0843
diff --git a/include/linux/pid.h b/include/linux/pid.h
index b152d44fb181..2381c973d897 100644
--- a/include/linux/pid.h
+++ b/include/linux/pid.h
@@ -121,6 +121,7 @@ int next_pidmap(struct pid_namespace *pid_ns, unsigned int last);
 
 extern struct pid *alloc_pid(struct pid_namespace *ns);
 extern void free_pid(struct pid *pid);
+extern void disable_pid_allocation(struct pid_namespace *ns);
 
 /*
  * ns_of_pid() returns the pid namespace in which the specified pid was
diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h
index bf285999273a..215e5e3dda10 100644
--- a/include/linux/pid_namespace.h
+++ b/include/linux/pid_namespace.h
@@ -21,7 +21,7 @@ struct pid_namespace {
         struct kref kref;
         struct pidmap pidmap[PIDMAP_ENTRIES];
         int last_pid;
-        int nr_hashed;
+        unsigned int nr_hashed;
         struct task_struct *child_reaper;
         struct kmem_cache *pid_cachep;
         unsigned int level;
@@ -42,6 +42,8 @@ struct pid_namespace {
 
 extern struct pid_namespace init_pid_ns;
 
+#define PIDNS_HASH_ADDING (1U << 31)
+
 #ifdef CONFIG_PID_NS
 static inline struct pid_namespace *get_pid_ns(struct pid_namespace *ns)
 {
diff --git a/include/linux/raid/Kbuild b/include/linux/raid/Kbuild
deleted file mode 100644
index e69de29bb2d1..000000000000
--- a/include/linux/raid/Kbuild
+++ /dev/null
diff --git a/include/linux/usb/Kbuild b/include/linux/usb/Kbuild
deleted file mode 100644
index e69de29bb2d1..000000000000
--- a/include/linux/usb/Kbuild
+++ /dev/null
diff --git a/include/net/sock.h b/include/net/sock.h
index 93a6745bfdb2..182ca99405ad 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -367,7 +367,7 @@ struct sock {
         unsigned short          sk_ack_backlog;
         unsigned short          sk_max_ack_backlog;
         __u32                   sk_priority;
-#ifdef CONFIG_CGROUPS
+#if IS_ENABLED(CONFIG_NETPRIO_CGROUP)
         __u32                   sk_cgrp_prioidx;
 #endif
         struct pid              *sk_peer_pid;
diff --git a/include/rdma/Kbuild b/include/rdma/Kbuild
deleted file mode 100644
index e69de29bb2d1..000000000000
--- a/include/rdma/Kbuild
+++ /dev/null
diff --git a/include/sound/Kbuild b/include/sound/Kbuild
deleted file mode 100644
index e69de29bb2d1..000000000000
--- a/include/sound/Kbuild
+++ /dev/null
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index f6372b011366..7e8c36bc7082 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -451,7 +451,7 @@ DEFINE_EVENT(ext4__page_op, ext4_releasepage,
         TP_ARGS(page)
 );
 
-TRACE_EVENT(ext4_invalidatepage,
+DECLARE_EVENT_CLASS(ext4_invalidatepage_op,
         TP_PROTO(struct page *page, unsigned long offset),
 
         TP_ARGS(page, offset),
@@ -477,6 +477,18 @@ TRACE_EVENT(ext4_invalidatepage,
                   (unsigned long) __entry->index, __entry->offset)
 );
 
+DEFINE_EVENT(ext4_invalidatepage_op, ext4_invalidatepage,
+        TP_PROTO(struct page *page, unsigned long offset),
+
+        TP_ARGS(page, offset)
+);
+
+DEFINE_EVENT(ext4_invalidatepage_op, ext4_journalled_invalidatepage,
+        TP_PROTO(struct page *page, unsigned long offset),
+
+        TP_ARGS(page, offset)
+);
+
 TRACE_EVENT(ext4_discard_blocks,
         TP_PROTO(struct super_block *sb, unsigned long long blk,
                         unsigned long long count),
diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h
index b746a3cf5fa9..c4d2e9c74002 100644
--- a/include/uapi/drm/i915_drm.h
+++ b/include/uapi/drm/i915_drm.h
@@ -307,6 +307,7 @@ typedef struct drm_i915_irq_wait {
 #define I915_PARAM_HAS_PRIME_VMAP_FLUSH  21
 #define I915_PARAM_RSVD_FOR_FUTURE_USE   22
 #define I915_PARAM_HAS_SECURE_BATCHES    23
+#define I915_PARAM_HAS_PINNED_BATCHES    24
 
 typedef struct drm_i915_getparam {
         int param;
@@ -677,6 +678,15 @@ struct drm_i915_gem_execbuffer2 {
  */
 #define I915_EXEC_SECURE                (1<<9)
 
+/** Inform the kernel that the batch is and will always be pinned. This
+ * negates the requirement for a workaround to be performed to avoid
+ * an incoherent CS (such as can be found on 830/845). If this flag is
+ * not passed, the kernel will endeavour to make sure the batch is
+ * coherent with the CS before execution. If this flag is passed,
+ * userspace assumes the responsibility for ensuring the same.
+ */
+#define I915_EXEC_IS_PINNED             (1<<10)
+
 #define I915_EXEC_CONTEXT_ID_MASK       (0xffffffff)
 #define i915_execbuffer2_set_context_id(eb2, context) \
         (eb2).rsvd1 = context & I915_EXEC_CONTEXT_ID_MASK
diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
index 6b7b6f1e2fd6..ebfadc56d1b4 100644
--- a/include/uapi/linux/pci_regs.h
+++ b/include/uapi/linux/pci_regs.h
@@ -458,6 +458,8 @@
 #define  PCI_EXP_DEVSTA_TRPND   0x20    /* Transactions Pending */
 #define PCI_EXP_LNKCAP          12      /* Link Capabilities */
 #define  PCI_EXP_LNKCAP_SLS     0x0000000f /* Supported Link Speeds */
+#define  PCI_EXP_LNKCAP_SLS_2_5GB 0x1   /* LNKCAP2 SLS Vector bit 0 (2.5GT/s) */
+#define  PCI_EXP_LNKCAP_SLS_5_0GB 0x2   /* LNKCAP2 SLS Vector bit 1 (5.0GT/s) */
 #define  PCI_EXP_LNKCAP_MLW     0x000003f0 /* Maximum Link Width */
 #define  PCI_EXP_LNKCAP_ASPMS   0x00000c00 /* ASPM Support */
 #define  PCI_EXP_LNKCAP_L0SEL   0x00007000 /* L0s Exit Latency */