16 files changed, 65 insertions, 22 deletions

diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index b8613e806aa9..01eca1794e14 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -111,6 +111,8 @@ extern void *__alloc_bootmem_low_node(pg_data_t *pgdat,
         __alloc_bootmem_nopanic(x, PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
 #define alloc_bootmem_node(pgdat, x) \
         __alloc_bootmem_node(pgdat, x, SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
+#define alloc_bootmem_node_nopanic(pgdat, x) \
+        __alloc_bootmem_node_nopanic(pgdat, x, SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
 #define alloc_bootmem_pages_node(pgdat, x) \
         __alloc_bootmem_node(pgdat, x, PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
 #define alloc_bootmem_pages_node_nopanic(pgdat, x) \
diff --git a/include/linux/capability.h b/include/linux/capability.h
index 16ee8b49a200..d4675af963fa 100644
--- a/include/linux/capability.h
+++ b/include/linux/capability.h
@@ -546,18 +546,7 @@ extern bool has_capability_noaudit(struct task_struct *t, int cap);
 extern bool capable(int cap);
 extern bool ns_capable(struct user_namespace *ns, int cap);
 extern bool task_ns_capable(struct task_struct *t, int cap);
-
-/**
- * nsown_capable - Check superior capability to one's own user_ns
- * @cap: The capability in question
- *
- * Return true if the current task has the given superior capability
- * targeted at its own user namespace.
- */
-static inline bool nsown_capable(int cap)
-{
-        return ns_capable(current_user_ns(), cap);
-}
+extern bool nsown_capable(int cap);
 
 /* audit system wants to get cap info from files as well */
 extern int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data *cpu_caps);
diff --git a/include/linux/cred.h b/include/linux/cred.h
index 9aeeb0ba2003..82607992f308 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -1,4 +1,4 @@
-/* Credentials management - see Documentation/credentials.txt
+/* Credentials management - see Documentation/security/credentials.txt
  *
  * Copyright (C) 2008 Red Hat, Inc. All Rights Reserved.
  * Written by David Howells (dhowells@redhat.com)
@@ -146,6 +146,7 @@ struct cred {
         void            *security;      /* subjective LSM security */
 #endif
         struct user_struct *user;       /* real user ID subscription */
+        struct user_namespace *user_ns; /* cached user->user_ns */
         struct group_info *group_info;  /* supplementary groups for euid/fsgid */
         struct rcu_head rcu;            /* RCU deletion hook */
 };
@@ -354,10 +355,15 @@ static inline void put_cred(const struct cred *_cred)
 #define current_fsgid()         (current_cred_xxx(fsgid))
 #define current_cap()           (current_cred_xxx(cap_effective))
 #define current_user()          (current_cred_xxx(user))
-#define _current_user_ns()      (current_cred_xxx(user)->user_ns)
 #define current_security()      (current_cred_xxx(security))
 
-extern struct user_namespace *current_user_ns(void);
+#ifdef CONFIG_USER_NS
+#define current_user_ns() (current_cred_xxx(user_ns))
+#else
+extern struct user_namespace init_user_ns;
+#define current_user_ns() (&init_user_ns)
+#endif
+
 
 #define current_uid_gid(_uid, _gid)             \
 do {                                            \
diff --git a/include/linux/device.h b/include/linux/device.h
index ab8dfc095709..d08399db6e2c 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -442,7 +442,6 @@ struct device {
         struct dev_archdata     archdata;
 
         struct device_node      *of_node; /* associated device tree node */
-        const struct of_device_id *of_match; /* matching of_device_id from driver */
 
         dev_t                   devt;   /* dev_t, creates the sysfs "dev" */
 
diff --git a/include/linux/fb.h b/include/linux/fb.h
index df728c1c29ed..6a8274877171 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -832,6 +832,7 @@ struct fb_tile_ops {
 #define FBINFO_CAN_FORCE_OUTPUT     0x200000
 
 struct fb_info {
+        atomic_t count;
         int node;
         int flags;
         struct mutex lock;              /* Lock for open/release/ioctl funcs */
diff --git a/include/linux/fs.h b/include/linux/fs.h
index dbd860af0804..cdf9495df204 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -358,7 +358,6 @@ struct inodes_stat_t {
 #define FS_EXTENT_FL                    0x00080000 /* Extents */
 #define FS_DIRECTIO_FL                  0x00100000 /* Use direct i/o */
 #define FS_NOCOW_FL                     0x00800000 /* Do not cow file */
-#define FS_COW_FL                       0x02000000 /* Cow file */
 #define FS_RESERVED_FL                  0x80000000 /* reserved for ext2 lib */
 
 #define FS_FL_USER_VISIBLE              0x0003DFFF /* User visible flags */
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 22b32af1b5ec..b5a550a39a70 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -37,6 +37,7 @@ struct trace_entry {
         unsigned char           flags;
         unsigned char           preempt_count;
         int                     pid;
+        int                     padding;
 };
 
 #define FTRACE_MAX_EVENT                                                \
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index bfb8f934521e..56d8fc87fbbc 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -353,6 +353,8 @@ extern unsigned long get_zeroed_page(gfp_t gfp_mask);
 
 void *alloc_pages_exact(size_t size, gfp_t gfp_mask);
 void free_pages_exact(void *virt, size_t size);
+/* This is different from alloc_pages_exact_node !!! */
+void *alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask);
 
 #define __get_free_page(gfp_mask) \
                 __get_free_pages((gfp_mask), 0)
diff --git a/include/linux/key.h b/include/linux/key.h
index b2bb01719561..303982a69933 100644
--- a/include/linux/key.h
+++ b/include/linux/key.h
@@ -9,7 +9,7 @@
  * 2 of the License, or (at your option) any later version.
  *
  *
- * See Documentation/keys.txt for information on keys/keyrings.
+ * See Documentation/security/keys.txt for information on keys/keyrings.
  */
 
 #ifndef _LINUX_KEY_H
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 2348db26bc3d..6507dde38b16 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1011,11 +1011,33 @@ int set_page_dirty_lock(struct page *page);
 int clear_page_dirty_for_io(struct page *page);
 
 /* Is the vma a continuation of the stack vma above it? */
-static inline int vma_stack_continue(struct vm_area_struct *vma, unsigned long addr)
+static inline int vma_growsdown(struct vm_area_struct *vma, unsigned long addr)
 {
         return vma && (vma->vm_end == addr) && (vma->vm_flags & VM_GROWSDOWN);
 }
 
+static inline int stack_guard_page_start(struct vm_area_struct *vma,
+                                             unsigned long addr)
+{
+        return (vma->vm_flags & VM_GROWSDOWN) &&
+                (vma->vm_start == addr) &&
+                !vma_growsdown(vma->vm_prev, addr);
+}
+
+/* Is the vma a continuation of the stack vma below it? */
+static inline int vma_growsup(struct vm_area_struct *vma, unsigned long addr)
+{
+        return vma && (vma->vm_start == addr) && (vma->vm_flags & VM_GROWSUP);
+}
+
+static inline int stack_guard_page_end(struct vm_area_struct *vma,
+                                           unsigned long addr)
+{
+        return (vma->vm_flags & VM_GROWSUP) &&
+                (vma->vm_end == addr) &&
+                !vma_growsup(vma->vm_next, addr);
+}
+
 extern unsigned long move_page_tables(struct vm_area_struct *vma,
                 unsigned long old_addr, struct vm_area_struct *new_vma,
                 unsigned long new_addr, unsigned long len);
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index eb792cb6d745..bcb793ec7374 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -183,6 +183,7 @@ struct mmc_host {
         struct work_struct      clk_gate_work; /* delayed clock gate */
         unsigned int            clk_old;        /* old clock value cache */
         spinlock_t              clk_lock;       /* lock for clk fields */
+        struct mutex            clk_gate_mutex; /* mutex for clock gating */
 #endif
 
         /* host specific block data */
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 890dce242639..7e371f7df9c4 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -233,6 +233,7 @@ struct nfs4_layoutget {
         struct nfs4_layoutget_args args;
         struct nfs4_layoutget_res res;
         struct pnfs_layout_segment **lsegpp;
+        gfp_t gfp_flags;
 };
 
 struct nfs4_getdeviceinfo_args {
diff --git a/include/linux/of_device.h b/include/linux/of_device.h
index 8bfe6c1d4365..ae5638480ef2 100644
--- a/include/linux/of_device.h
+++ b/include/linux/of_device.h
@@ -21,8 +21,7 @@ extern void of_device_make_bus_id(struct device *dev);
 static inline int of_driver_match_device(struct device *dev,
                                          const struct device_driver *drv)
 {
-        dev->of_match = of_match_device(drv->of_match_table, dev);
-        return dev->of_match != NULL;
+        return of_match_device(drv->of_match_table, dev) != NULL;
 }
 
 extern struct platform_device *of_dev_get(struct platform_device *dev);
@@ -58,6 +57,11 @@ static inline int of_device_uevent(struct device *dev,
 
 static inline void of_device_node_put(struct device *dev) { }
 
+static inline const struct of_device_id *of_match_device(
+                const struct of_device_id *matches, const struct device *dev)
+{
+        return NULL;
+}
 #endif /* CONFIG_OF_DEVICE */
 
 #endif /* _LINUX_OF_DEVICE_H */
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 838c1149251a..eaf4350c0f90 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -208,6 +208,8 @@ static inline struct proc_dir_entry *proc_symlink(const char *name,
                 struct proc_dir_entry *parent,const char *dest) {return NULL;}
 static inline struct proc_dir_entry *proc_mkdir(const char *name,
         struct proc_dir_entry *parent) {return NULL;}
+static inline struct proc_dir_entry *proc_mkdir_mode(const char *name,
+        mode_t mode, struct proc_dir_entry *parent) { return NULL; }
 
 static inline struct proc_dir_entry *create_proc_read_entry(const char *name,
         mode_t mode, struct proc_dir_entry *base, 
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index a1147e5dd245..9178d5cc0b01 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -189,6 +189,10 @@ static inline void ptrace_init_task(struct task_struct *child, bool ptrace)
                 child->ptrace = current->ptrace;
                 __ptrace_link(child, current->parent);
         }
+
+#ifdef CONFIG_HAVE_HW_BREAKPOINT
+        atomic_set(&child->ptrace_bp_refcnt, 1);
+#endif
 }
 
 /**
@@ -350,6 +354,13 @@ extern int task_current_syscall(struct task_struct *target, long *callno,
                                 unsigned long args[6], unsigned int maxargs,
                                 unsigned long *sp, unsigned long *pc);
 
-#endif
+#ifdef CONFIG_HAVE_HW_BREAKPOINT
+extern int ptrace_get_breakpoints(struct task_struct *tsk);
+extern void ptrace_put_breakpoints(struct task_struct *tsk);
+#else
+static inline void ptrace_put_breakpoints(struct task_struct *tsk) { }
+#endif /* CONFIG_HAVE_HW_BREAKPOINT */
+
+#endif /* __KERNEL */
 
 #endif
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 18d63cea2848..781abd137673 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1537,6 +1537,9 @@ struct task_struct {
                 unsigned long memsw_nr_pages; /* uncharged mem+swap usage */
         } memcg_batch;
 #endif
+#ifdef CONFIG_HAVE_HW_BREAKPOINT
+        atomic_t ptrace_bp_refcnt;
+#endif
 };
 
 /* Future-safe accessor for struct task_struct's cpus_allowed. */