51 files changed, 330 insertions, 101 deletions

diff --git a/include/linux/acct.h b/include/linux/acct.h
index 882dc7248766..3e4737fa6cce 100644
--- a/include/linux/acct.h
+++ b/include/linux/acct.h
@@ -121,16 +121,15 @@ struct vfsmount;
 struct super_block;
 struct pacct_struct;
 struct pid_namespace;
+extern int acct_parm[]; /* for sysctl */
 extern void acct_auto_close_mnt(struct vfsmount *m);
 extern void acct_auto_close(struct super_block *sb);
-extern void acct_init_pacct(struct pacct_struct *pacct);
 extern void acct_collect(long exitcode, int group_dead);
 extern void acct_process(void);
 extern void acct_exit_ns(struct pid_namespace *);
 #else
 #define acct_auto_close_mnt(x)  do { } while (0)
 #define acct_auto_close(x)      do { } while (0)
-#define acct_init_pacct(x)      do { } while (0)
 #define acct_collect(x,y)       do { } while (0)
 #define acct_process()          do { } while (0)
 #define acct_exit_ns(ns)        do { } while (0)
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index c9bbcb2a75ae..b8ad1ea99586 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -37,16 +37,24 @@ extern void cgroup_post_fork(struct task_struct *p);
 extern void cgroup_exit(struct task_struct *p, int run_callbacks);
 extern int cgroupstats_build(struct cgroupstats *stats,
                                 struct dentry *dentry);
+extern int cgroup_load_subsys(struct cgroup_subsys *ss);
+extern void cgroup_unload_subsys(struct cgroup_subsys *ss);
 
 extern const struct file_operations proc_cgroup_operations;
 
-/* Define the enumeration of all cgroup subsystems */
+/* Define the enumeration of all builtin cgroup subsystems */
 #define SUBSYS(_x) _x ## _subsys_id,
 enum cgroup_subsys_id {
 #include <linux/cgroup_subsys.h>
-        CGROUP_SUBSYS_COUNT
+        CGROUP_BUILTIN_SUBSYS_COUNT
 };
 #undef SUBSYS
+/*
+ * This define indicates the maximum number of subsystems that can be loaded
+ * at once. We limit to this many since cgroupfs_root has subsys_bits to keep
+ * track of all of them.
+ */
+#define CGROUP_SUBSYS_COUNT (BITS_PER_BYTE*sizeof(unsigned long))
 
 /* Per-subsystem/per-cgroup state maintained by the system. */
 struct cgroup_subsys_state {
@@ -76,6 +84,12 @@ enum {
         CSS_REMOVED, /* This CSS is dead */
 };
 
+/* Caller must verify that the css is not for root cgroup */
+static inline void __css_get(struct cgroup_subsys_state *css, int count)
+{
+        atomic_add(count, &css->refcnt);
+}
+
 /*
  * Call css_get() to hold a reference on the css; it can be used
  * for a reference obtained via:
@@ -87,7 +101,7 @@ static inline void css_get(struct cgroup_subsys_state *css)
 {
         /* We don't need to reference count the root state */
         if (!test_bit(CSS_ROOT, &css->flags))
-                atomic_inc(&css->refcnt);
+                __css_get(css, 1);
 }
 
 static inline bool css_is_removed(struct cgroup_subsys_state *css)
@@ -118,11 +132,11 @@ static inline bool css_tryget(struct cgroup_subsys_state *css)
  * css_get() or css_tryget()
  */
 
-extern void __css_put(struct cgroup_subsys_state *css);
+extern void __css_put(struct cgroup_subsys_state *css, int count);
 static inline void css_put(struct cgroup_subsys_state *css)
 {
         if (!test_bit(CSS_ROOT, &css->flags))
-                __css_put(css);
+                __css_put(css, 1);
 }
 
 /* bits in struct cgroup flags field */
@@ -221,6 +235,10 @@ struct cgroup {
 
         /* For RCU-protected deletion */
         struct rcu_head rcu_head;
+
+        /* List of events which userspace want to recieve */
+        struct list_head event_list;
+        spinlock_t event_list_lock;
 };
 
 /*
@@ -258,7 +276,8 @@ struct css_set {
         /*
          * Set of subsystem states, one for each subsystem. This array
          * is immutable after creation apart from the init_css_set
-         * during subsystem registration (at boot time).
+         * during subsystem registration (at boot time) and modular subsystem
+         * loading/unloading.
          */
         struct cgroup_subsys_state *subsys[CGROUP_SUBSYS_COUNT];
 
@@ -363,6 +382,23 @@ struct cftype {
         int (*trigger)(struct cgroup *cgrp, unsigned int event);
 
         int (*release)(struct inode *inode, struct file *file);
+
+        /*
+         * register_event() callback will be used to add new userspace
+         * waiter for changes related to the cftype. Implement it if
+         * you want to provide this functionality. Use eventfd_signal()
+         * on eventfd to send notification to userspace.
+         */
+        int (*register_event)(struct cgroup *cgrp, struct cftype *cft,
+                        struct eventfd_ctx *eventfd, const char *args);
+        /*
+         * unregister_event() callback will be called when userspace
+         * closes the eventfd or on cgroup removing.
+         * This callback must be implemented, if you want provide
+         * notification functionality.
+         */
+        int (*unregister_event)(struct cgroup *cgrp, struct cftype *cft,
+                        struct eventfd_ctx *eventfd);
 };
 
 struct cgroup_scanner {
@@ -428,6 +464,8 @@ struct cgroup_subsys {
         void (*destroy)(struct cgroup_subsys *ss, struct cgroup *cgrp);
         int (*can_attach)(struct cgroup_subsys *ss, struct cgroup *cgrp,
                           struct task_struct *tsk, bool threadgroup);
+        void (*cancel_attach)(struct cgroup_subsys *ss, struct cgroup *cgrp,
+                          struct task_struct *tsk, bool threadgroup);
         void (*attach)(struct cgroup_subsys *ss, struct cgroup *cgrp,
                         struct cgroup *old_cgrp, struct task_struct *tsk,
                         bool threadgroup);
@@ -472,6 +510,9 @@ struct cgroup_subsys {
         /* used when use_id == true */
         struct idr idr;
         spinlock_t id_lock;
+
+        /* should be defined only by modular subsystems */
+        struct module *module;
 };
 
 #define SUBSYS(_x) extern struct cgroup_subsys _x ## _subsys;
diff --git a/include/linux/compat.h b/include/linux/compat.h
index ef68119a4fd2..717c691ecd8e 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -23,6 +23,7 @@
 typedef __compat_uid32_t        compat_uid_t;
 typedef __compat_gid32_t        compat_gid_t;
 
+struct compat_sel_arg_struct;
 struct rusage;
 
 struct compat_itimerspec { 
@@ -249,6 +250,8 @@ asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp,
                 compat_ulong_t __user *outp, compat_ulong_t __user *exp,
                 struct compat_timeval __user *tvp);
 
+asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg);
+
 asmlinkage long compat_sys_wait4(compat_pid_t pid,
                                  compat_uint_t __user *stat_addr, int options,
                                  struct compat_rusage __user *ru);
diff --git a/include/linux/coredump.h b/include/linux/coredump.h
index b3c91d7cede4..8ba66a9d9022 100644
--- a/include/linux/coredump.h
+++ b/include/linux/coredump.h
@@ -16,6 +16,8 @@ static inline int dump_write(struct file *file, const void *addr, int nr)
 
 static inline int dump_seek(struct file *file, loff_t off)
 {
+        int ret = 1;
+
         if (file->f_op->llseek && file->f_op->llseek != no_llseek) {
                 if (file->f_op->llseek(file, off, SEEK_CUR) < 0)
                         return 0;
@@ -29,13 +31,15 @@ static inline int dump_seek(struct file *file, loff_t off)
 
                         if (n > PAGE_SIZE)
                                 n = PAGE_SIZE;
-                        if (!dump_write(file, buf, n))
-                                return 0;
+                        if (!dump_write(file, buf, n)) {
+                                ret = 0;
+                                break;
+                        }
                         off -= n;
                 }
                 free_page((unsigned long)buf);
         }
-        return 1;
+        return ret;
 }
 
 #endif /* _LINUX_COREDUMP_H */
diff --git a/include/linux/cred.h b/include/linux/cred.h
index 4db09f89b637..52507c3e1387 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -280,7 +280,7 @@ static inline void put_cred(const struct cred *_cred)
  * task or by holding tasklist_lock to prevent it from being unlinked.
  */
 #define __task_cred(task) \
-        ((const struct cred *)(rcu_dereference_check((task)->real_cred, rcu_read_lock_held() || lockdep_is_held(&tasklist_lock))))
+        ((const struct cred *)(rcu_dereference_check((task)->real_cred, rcu_read_lock_held() || lockdep_tasklist_lock_is_held())))
 
 /**
  * get_task_cred - Get another task's objective credentials
diff --git a/include/linux/decompress/mm.h b/include/linux/decompress/mm.h
index 5032b9a31ae7..ad5ec1d0475e 100644
--- a/include/linux/decompress/mm.h
+++ b/include/linux/decompress/mm.h
@@ -14,11 +14,21 @@
 
 /* Code active when included from pre-boot environment: */
 
+/*
+ * Some architectures want to ensure there is no local data in their
+ * pre-boot environment, so that data can arbitarily relocated (via
+ * GOT references).  This is achieved by defining STATIC_RW_DATA to
+ * be null.
+ */
+#ifndef STATIC_RW_DATA
+#define STATIC_RW_DATA static
+#endif
+
 /* A trivial malloc implementation, adapted from
  *  malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
  */
-static unsigned long malloc_ptr;
-static int malloc_count;
+STATIC_RW_DATA unsigned long malloc_ptr;
+STATIC_RW_DATA int malloc_count;
 
 static void *malloc(int size)
 {
diff --git a/include/linux/dm9000.h b/include/linux/dm9000.h
index c30879cf93bc..96e87693d933 100644
--- a/include/linux/dm9000.h
+++ b/include/linux/dm9000.h
@@ -23,7 +23,7 @@
 #define DM9000_PLATF_NO_EEPROM  (0x0010)
 #define DM9000_PLATF_SIMPLE_PHY (0x0020)  /* Use NSR to find LinkStatus */
 
-/* platfrom data for platfrom device structure's platfrom_data field */
+/* platform data for platform device structure's platform_data field */
 
 struct dm9000_plat_data {
         unsigned int    flags;
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 91b761846061..ca32ed78b057 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -127,6 +127,14 @@ static inline u64 dma_get_mask(struct device *dev)
         return DMA_BIT_MASK(32);
 }
 
+static inline int dma_set_coherent_mask(struct device *dev, u64 mask)
+{
+        if (!dma_supported(dev, mask))
+                return -EIO;
+        dev->coherent_dma_mask = mask;
+        return 0;
+}
+
 extern u64 dma_get_required_mask(struct device *dev);
 
 static inline unsigned int dma_get_max_seg_size(struct device *dev)
@@ -232,4 +240,20 @@ struct dma_attrs;
 
 #endif /* CONFIG_HAVE_DMA_ATTRS */
 
+#ifdef CONFIG_NEED_DMA_MAP_STATE
+#define DEFINE_DMA_UNMAP_ADDR(ADDR_NAME)        dma_addr_t ADDR_NAME
+#define DEFINE_DMA_UNMAP_LEN(LEN_NAME)          __u32 LEN_NAME
+#define dma_unmap_addr(PTR, ADDR_NAME)           ((PTR)->ADDR_NAME)
+#define dma_unmap_addr_set(PTR, ADDR_NAME, VAL)  (((PTR)->ADDR_NAME) = (VAL))
+#define dma_unmap_len(PTR, LEN_NAME)             ((PTR)->LEN_NAME)
+#define dma_unmap_len_set(PTR, LEN_NAME, VAL)    (((PTR)->LEN_NAME) = (VAL))
+#else
+#define DEFINE_DMA_UNMAP_ADDR(ADDR_NAME)
+#define DEFINE_DMA_UNMAP_LEN(LEN_NAME)
+#define dma_unmap_addr(PTR, ADDR_NAME)           (0)
+#define dma_unmap_addr_set(PTR, ADDR_NAME, VAL)  do { } while (0)
+#define dma_unmap_len(PTR, LEN_NAME)             (0)
+#define dma_unmap_len_set(PTR, LEN_NAME, VAL)    do { } while (0)
+#endif
+
 #endif
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index cca1c3de140d..b33f316bb92e 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -61,6 +61,13 @@ struct ethtool_drvinfo {
                                 /* For PCI devices, use pci_name(pci_dev). */
         char    reserved1[32];
         char    reserved2[12];
+                                /*
+                                 * Some struct members below are filled in
+                                 * using ops->get_sset_count().  Obtaining
+                                 * this info from ethtool_drvinfo is now
+                                 * deprecated; Use ETHTOOL_GSSET_INFO
+                                 * instead.
+                                 */
         __u32   n_priv_flags;   /* number of flags valid in ETHTOOL_GPFLAGS */
         __u32   n_stats;        /* number of u64's from ETHTOOL_GSTATS */
         __u32   testinfo_len;
@@ -253,6 +260,17 @@ struct ethtool_gstrings {
         __u8    data[0];
 };
 
+struct ethtool_sset_info {
+        __u32   cmd;            /* ETHTOOL_GSSET_INFO */
+        __u32   reserved;
+        __u64   sset_mask;      /* input: each bit selects an sset to query */
+                                /* output: each bit a returned sset */
+        __u32   data[0];        /* ETH_SS_xxx count, in order, based on bits
+                                   in sset_mask.  One bit implies one
+                                   __u32, two bits implies two
+                                   __u32's, etc. */
+};
+
 enum ethtool_test_flags {
         ETH_TEST_FL_OFFLINE     = (1 << 0),     /* online / offline */
         ETH_TEST_FL_FAILED      = (1 << 1),     /* test passed / failed */
@@ -606,9 +624,9 @@ struct ethtool_ops {
 #define ETHTOOL_SRXCLSRLINS     0x00000032 /* Insert RX classification rule */
 #define ETHTOOL_FLASHDEV        0x00000033 /* Flash firmware to device */
 #define ETHTOOL_RESET           0x00000034 /* Reset hardware */
-
-#define ETHTOOL_SRXNTUPLE       0x00000035 /* Add an n-tuple filter to device */
-#define ETHTOOL_GRXNTUPLE       0x00000036 /* Get n-tuple filters from device */
+#define ETHTOOL_SRXNTUPLE       0x00000035 /* Add an n-tuple filter to device */
+#define ETHTOOL_GRXNTUPLE       0x00000036 /* Get n-tuple filters from device */
+#define ETHTOOL_GSSET_INFO      0x00000037 /* Get string set info */
 
 /* compatibility with older code */
 #define SPARC_ETH_GSET          ETHTOOL_GSET
diff --git a/include/linux/hil.h b/include/linux/hil.h
index 13352d7d0caf..523785a9de70 100644
--- a/include/linux/hil.h
+++ b/include/linux/hil.h
@@ -168,14 +168,14 @@ enum hil_command {
         HIL_CMD_PR6     = 0x45, /* Prompt6 */
         HIL_CMD_PR7     = 0x46, /* Prompt7 */
         HIL_CMD_PRM     = 0x47, /* Prompt (General Purpose) */
-        HIL_CMD_AK1     = 0x48, /* Acknowlege1 */  
-        HIL_CMD_AK2     = 0x49, /* Acknowlege2 */
-        HIL_CMD_AK3     = 0x4a, /* Acknowlege3 */
-        HIL_CMD_AK4     = 0x4b, /* Acknowlege4 */
-        HIL_CMD_AK5     = 0x4c, /* Acknowlege5 */
-        HIL_CMD_AK6     = 0x4d, /* Acknowlege6 */
-        HIL_CMD_AK7     = 0x4e, /* Acknowlege7 */
-        HIL_CMD_ACK     = 0x4f, /* Acknowlege (General Purpose) */
+        HIL_CMD_AK1     = 0x48, /* Acknowledge1 */  
+        HIL_CMD_AK2     = 0x49, /* Acknowledge2 */
+        HIL_CMD_AK3     = 0x4a, /* Acknowledge3 */
+        HIL_CMD_AK4     = 0x4b, /* Acknowledge4 */
+        HIL_CMD_AK5     = 0x4c, /* Acknowledge5 */
+        HIL_CMD_AK6     = 0x4d, /* Acknowledge6 */
+        HIL_CMD_AK7     = 0x4e, /* Acknowledge7 */
+        HIL_CMD_ACK     = 0x4f, /* Acknowledge (General Purpose) */
 
         /* 0x50 to 0x78 reserved for future use  */
         /* 0x80 to 0xEF device-specific commands */
diff --git a/include/linux/hw_breakpoint.h b/include/linux/hw_breakpoint.h
index 5977b724f7c6..c70d27af03f9 100644
--- a/include/linux/hw_breakpoint.h
+++ b/include/linux/hw_breakpoint.h
@@ -66,14 +66,14 @@ register_wide_hw_breakpoint_cpu(struct perf_event_attr *attr,
                                 perf_overflow_handler_t triggered,
                                 int cpu);
 
-extern struct perf_event **
+extern struct perf_event * __percpu *
 register_wide_hw_breakpoint(struct perf_event_attr *attr,
                             perf_overflow_handler_t triggered);
 
 extern int register_perf_hw_breakpoint(struct perf_event *bp);
 extern int __register_perf_hw_breakpoint(struct perf_event *bp);
 extern void unregister_hw_breakpoint(struct perf_event *bp);
-extern void unregister_wide_hw_breakpoint(struct perf_event **cpu_events);
+extern void unregister_wide_hw_breakpoint(struct perf_event * __percpu *cpu_events);
 
 extern int dbg_reserve_bp_slot(struct perf_event *bp);
 extern int dbg_release_bp_slot(struct perf_event *bp);
@@ -100,7 +100,7 @@ static inline struct perf_event *
 register_wide_hw_breakpoint_cpu(struct perf_event_attr *attr,
                                 perf_overflow_handler_t  triggered,
                                 int cpu)                { return NULL; }
-static inline struct perf_event **
+static inline struct perf_event * __percpu *
 register_wide_hw_breakpoint(struct perf_event_attr *attr,
                             perf_overflow_handler_t triggered)  { return NULL; }
 static inline int
@@ -109,7 +109,7 @@ static inline int
 __register_perf_hw_breakpoint(struct perf_event *bp)    { return -ENOSYS; }
 static inline void unregister_hw_breakpoint(struct perf_event *bp)      { }
 static inline void
-unregister_wide_hw_breakpoint(struct perf_event **cpu_events)           { }
+unregister_wide_hw_breakpoint(struct perf_event * __percpu *cpu_events) { }
 static inline int
 reserve_bp_slot(struct perf_event *bp)                  {return -ENOSYS; }
 static inline void release_bp_slot(struct perf_event *bp)               { }
diff --git a/include/linux/i2c-algo-bit.h b/include/linux/i2c-algo-bit.h
index 111334f5b922..4f98148c11c3 100644
--- a/include/linux/i2c-algo-bit.h
+++ b/include/linux/i2c-algo-bit.h
@@ -36,6 +36,8 @@ struct i2c_algo_bit_data {
         void (*setscl) (void *data, int state);
         int  (*getsda) (void *data);
         int  (*getscl) (void *data);
+        int  (*pre_xfer)  (struct i2c_adapter *);
+        void (*post_xfer) (struct i2c_adapter *);
 
         /* local settings */
         int udelay;             /* half clock cycle time in us,
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index abec69b63d7e..b1ed1cd8e2a8 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -32,14 +32,6 @@ extern struct fs_struct init_fs;
 }
 
 extern struct nsproxy init_nsproxy;
-#define INIT_NSPROXY(nsproxy) {                                         \
-        .pid_ns         = &init_pid_ns,                                 \
-        .count          = ATOMIC_INIT(1),                               \
-        .uts_ns         = &init_uts_ns,                                 \
-        .mnt_ns         = NULL,                                         \
-        INIT_NET_NS(net_ns)                                             \
-        INIT_IPC_NS(ipc_ns)                                             \
-}
 
 #define INIT_SIGHAND(sighand) {                                         \
         .count          = ATOMIC_INIT(1),                               \
diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h
index 1195a806fe0c..a0bb301afac0 100644
--- a/include/linux/iocontext.h
+++ b/include/linux/iocontext.h
@@ -42,7 +42,7 @@ struct io_context {
         unsigned short ioprio;
         unsigned short ioprio_changed;
 
-#ifdef CONFIG_BLK_CGROUP
+#if defined(CONFIG_BLK_CGROUP) || defined(CONFIG_BLK_CGROUP_MODULE)
         unsigned short cgroup_changed;
 #endif
 
diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h
index 07baa38bce37..51952989ad42 100644
--- a/include/linux/ipc_namespace.h
+++ b/include/linux/ipc_namespace.h
@@ -62,11 +62,6 @@ extern struct ipc_namespace init_ipc_ns;
 extern atomic_t nr_ipc_ns;
 
 extern spinlock_t mq_lock;
-#if defined(CONFIG_POSIX_MQUEUE) || defined(CONFIG_SYSVIPC)
-#define INIT_IPC_NS(ns)         .ns             = &init_ipc_ns,
-#else
-#define INIT_IPC_NS(ns)
-#endif
 
 #ifdef CONFIG_SYSVIPC
 extern int register_ipcns_notifier(struct ipc_namespace *);
diff --git a/include/linux/ipmi_smi.h b/include/linux/ipmi_smi.h
index f7c9c75a2775..4b48318ac542 100644
--- a/include/linux/ipmi_smi.h
+++ b/include/linux/ipmi_smi.h
@@ -39,7 +39,6 @@
 #include <linux/module.h>
 #include <linux/device.h>
 #include <linux/platform_device.h>
-#include <linux/ipmi_smi.h>
 
 /* This files describes the interface for IPMI system management interface
    drivers to bind into the IPMI message handler. */
diff --git a/include/linux/kmod.h b/include/linux/kmod.h
index 384ca8bbf1ac..facb27fe7de0 100644
--- a/include/linux/kmod.h
+++ b/include/linux/kmod.h
@@ -27,6 +27,7 @@
 #define KMOD_PATH_LEN 256
 
 #ifdef CONFIG_MODULES
+extern char modprobe_path[]; /* for sysctl */
 /* modprobe exit status on success, -ve on error.  Return value
  * usually useless though. */
 extern int __request_module(bool wait, const char *name, ...) \
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index 10206a87da19..a03977a96d7e 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -12,6 +12,10 @@
 struct task_struct;
 struct lockdep_map;
 
+/* for sysctl */
+extern int prove_locking;
+extern int lock_stat;
+
 #ifdef CONFIG_LOCKDEP
 
 #include <linux/linkage.h>
diff --git a/include/linux/lru_cache.h b/include/linux/lru_cache.h
index 3a2b2d9b0472..de48d167568b 100644
--- a/include/linux/lru_cache.h
+++ b/include/linux/lru_cache.h
@@ -64,7 +64,7 @@ For crash recovery after replication node failure,
   usually the condition is softened to regions that _may_ have been target of
   in-flight WRITE IO, e.g. by only lazily clearing the on-disk write-intent
   bitmap, trading frequency of meta data transactions against amount of
-  (possibly unneccessary) resync traffic.
+  (possibly unnecessary) resync traffic.
 
   If we set a hard limit on the area that may be "hot" at any given time, we
   limit the amount of resync traffic needed for crash recovery.
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 1f9b119f4ace..44301c6affa8 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -124,7 +124,6 @@ static inline bool mem_cgroup_disabled(void)
         return false;
 }
 
-extern bool mem_cgroup_oom_called(struct task_struct *task);
 void mem_cgroup_update_file_mapped(struct page *page, int val);
 unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order,
                                                 gfp_t gfp_mask, int nid,
@@ -258,11 +257,6 @@ static inline bool mem_cgroup_disabled(void)
         return true;
 }
 
-static inline bool mem_cgroup_oom_called(struct task_struct *task)
-{
-        return false;
-}
-
 static inline int
 mem_cgroup_inactive_anon_is_low(struct mem_cgroup *memcg)
 {
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 3899395a03de..e70f21beb4b4 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -971,7 +971,13 @@ static inline void setmax_mm_hiwater_rss(unsigned long *maxrss,
                 *maxrss = hiwater_rss;
 }
 
+#if defined(SPLIT_RSS_COUNTING)
 void sync_mm_rss(struct task_struct *task, struct mm_struct *mm);
+#else
+static inline void sync_mm_rss(struct task_struct *task, struct mm_struct *mm)
+{
+}
+#endif
 
 /*
  * A callback you can register to apply pressure to ageable caches.
@@ -1459,5 +1465,7 @@ extern void shake_page(struct page *p, int access);
 extern atomic_long_t mce_bad_pages;
 extern int soft_offline_page(struct page *page, int flags);
 
+extern void dump_page(struct page *page);
+
 #endif /* __KERNEL__ */
 #endif /* _LINUX_MM_H */
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 048b46270aa5..b8bb9a6a1f37 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -203,7 +203,7 @@ enum {
         NR_MM_COUNTERS
 };
 
-#if USE_SPLIT_PTLOCKS
+#if USE_SPLIT_PTLOCKS && defined(CONFIG_MMU)
 #define SPLIT_RSS_COUNTING
 struct mm_rss_stat {
         atomic_long_t count[NR_MM_COUNTERS];
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index bc209d8b7b5c..cf9e458e96b0 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -342,7 +342,7 @@ struct zone {
          * prev_priority holds the scanning priority for this zone.  It is
          * defined as the scanning priority at which we achieved our reclaim
          * target at the previous try_to_free_pages() or balance_pgdat()
-         * invokation.
+         * invocation.
          *
          * We use prev_priority as a measure of how much stress page reclaim is
          * under - it drives the swappiness decision: whether to unmap mapped
diff --git a/include/linux/module.h b/include/linux/module.h
index dd618eb026aa..5e869ffd34aa 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -175,6 +175,7 @@ struct notifier_block;
 
 #ifdef CONFIG_MODULES
 
+extern int modules_disabled; /* for sysctl */
 /* Get/put a kernel symbol (calls must be symmetric) */
 void *__symbol_get(const char *symbol);
 void *__symbol_get_gpl(const char *symbol);
diff --git a/include/linux/msdos_fs.h b/include/linux/msdos_fs.h
index ce38f1caa5e1..34066e65fdeb 100644
--- a/include/linux/msdos_fs.h
+++ b/include/linux/msdos_fs.h
@@ -15,6 +15,7 @@
 #define MSDOS_DPB_BITS  4               /* log2(MSDOS_DPB) */
 #define MSDOS_DPS       (SECTOR_SIZE / sizeof(struct msdos_dir_entry))
 #define MSDOS_DPS_BITS  4               /* log2(MSDOS_DPS) */
+#define MSDOS_LONGNAME  256             /* maximum name length */
 #define CF_LE_W(v)      le16_to_cpu(v)
 #define CF_LE_L(v)      le32_to_cpu(v)
 #define CT_LE_W(v)      cpu_to_le16(v)
@@ -47,8 +48,8 @@
 #define DELETED_FLAG    0xe5    /* marks file as deleted when in name[0] */
 #define IS_FREE(n)      (!*(n) || *(n) == DELETED_FLAG)
 
+#define FAT_LFN_LEN     255     /* maximum long name length */
 #define MSDOS_NAME      11      /* maximum name length */
-#define MSDOS_LONGNAME  256     /* maximum name length */
 #define MSDOS_SLOTS     21      /* max # of slots for short and long names */
 #define MSDOS_DOT       ".          "   /* ".", padded to MSDOS_NAME chars */
 #define MSDOS_DOTDOT    "..         "   /* "..", padded to MSDOS_NAME chars */
diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h
index c4fa64b585ff..dba35e413371 100644
--- a/include/linux/nodemask.h
+++ b/include/linux/nodemask.h
@@ -483,7 +483,7 @@ static inline int num_node_state(enum node_states state)
                         type *name = kmalloc(sizeof(*name), gfp_flags)
 #define NODEMASK_FREE(m)                        kfree(m)
 #else
-#define NODEMASK_ALLOC(type, name, gfp_flags)   type _name, *name = &_name
+#define NODEMASK_ALLOC(type, name, gfp_flags)   type _##name, *name = &_##name
 #define NODEMASK_FREE(m)                        do {} while (0)
 #endif
 
diff --git a/include/linux/page_cgroup.h b/include/linux/page_cgroup.h
index b0e4eb126236..30b08136fdf3 100644
--- a/include/linux/page_cgroup.h
+++ b/include/linux/page_cgroup.h
@@ -118,6 +118,8 @@ static inline void __init page_cgroup_init_flatmem(void)
 #include <linux/swap.h>
 
 #ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
+extern unsigned short swap_cgroup_cmpxchg(swp_entry_t ent,
+                                        unsigned short old, unsigned short new);
 extern unsigned short swap_cgroup_record(swp_entry_t ent, unsigned short id);
 extern unsigned short lookup_swap_cgroup(swp_entry_t ent);
 extern int swap_cgroup_swapon(int type, unsigned long max_pages);
diff --git a/include/linux/pci-dma.h b/include/linux/pci-dma.h
new file mode 100644
index 000000000000..549a041f9c08
--- /dev/null
+++ b/include/linux/pci-dma.h
@@ -0,0 +1,11 @@
+#ifndef _LINUX_PCI_DMA_H
+#define _LINUX_PCI_DMA_H
+
+#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) DEFINE_DMA_UNMAP_ADDR(ADDR_NAME);
+#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)   DEFINE_DMA_UNMAP_LEN(LEN_NAME);
+#define pci_unmap_addr             dma_unmap_addr
+#define pci_unmap_addr_set         dma_unmap_addr_set
+#define pci_unmap_len              dma_unmap_len
+#define pci_unmap_len_set          dma_unmap_len_set
+
+#endif
diff --git a/include/linux/pci.h b/include/linux/pci.h
index cd5809a5963e..a788fa12ff31 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -769,8 +769,6 @@ int pci_try_set_mwi(struct pci_dev *dev);
 void pci_clear_mwi(struct pci_dev *dev);
 void pci_intx(struct pci_dev *dev, int enable);
 void pci_msi_off(struct pci_dev *dev);
-int pci_set_dma_mask(struct pci_dev *dev, u64 mask);
-int pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask);
 int pci_set_dma_max_seg_size(struct pci_dev *dev, unsigned int size);
 int pci_set_dma_seg_boundary(struct pci_dev *dev, unsigned long mask);
 int pcix_get_max_mmrbc(struct pci_dev *dev);
@@ -904,6 +902,7 @@ int pci_set_vga_state(struct pci_dev *pdev, bool decode,
                       unsigned int command_bits, bool change_bridge);
 /* kmem_cache style wrapper around pci_alloc_consistent() */
 
+#include <linux/pci-dma.h>
 #include <linux/dmapool.h>
 
 #define pci_pool dma_pool
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 7b18b4fd5df7..6f8cd7da1a01 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -487,9 +487,8 @@ struct hw_perf_event {
                         struct hrtimer  hrtimer;
                 };
 #ifdef CONFIG_HAVE_HW_BREAKPOINT
-                union { /* breakpoint */
-                        struct arch_hw_breakpoint       info;
-                };
+                /* breakpoint */
+                struct arch_hw_breakpoint       info;
 #endif
         };
         atomic64_t                      prev_count;
@@ -802,6 +801,13 @@ struct perf_sample_data {
         struct perf_raw_record          *raw;
 };
 
+static inline
+void perf_sample_data_init(struct perf_sample_data *data, u64 addr)
+{
+        data->addr = addr;
+        data->raw  = NULL;
+}
+
 extern void perf_output_sample(struct perf_output_handle *handle,
                                struct perf_event_header *header,
                                struct perf_sample_data *data,
@@ -858,6 +864,21 @@ extern int sysctl_perf_event_paranoid;
 extern int sysctl_perf_event_mlock;
 extern int sysctl_perf_event_sample_rate;
 
+static inline bool perf_paranoid_tracepoint_raw(void)
+{
+        return sysctl_perf_event_paranoid > -1;
+}
+
+static inline bool perf_paranoid_cpu(void)
+{
+        return sysctl_perf_event_paranoid > 0;
+}
+
+static inline bool perf_paranoid_kernel(void)
+{
+        return sysctl_perf_event_paranoid > 1;
+}
+
 extern void perf_event_init(void);
 extern void perf_tp_event(int event_id, u64 addr, u64 count, void *record, int entry_size);
 extern void perf_bp_event(struct perf_event *event, void *data);
diff --git a/include/linux/poll.h b/include/linux/poll.h
index 6673743946f7..600cc1fde64d 100644
--- a/include/linux/poll.h
+++ b/include/linux/poll.h
@@ -10,8 +10,10 @@
 #include <linux/wait.h>
 #include <linux/string.h>
 #include <linux/fs.h>
+#include <linux/sysctl.h>
 #include <asm/uaccess.h>
 
+extern struct ctl_table epoll_table[]; /* for sysctl */
 /* ~832 bytes of stack space used max in sys_select/sys_poll before allocating
    additional memory. */
 #define MAX_STACK_ALLOC 832
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index c5eab89da51e..e1fb60729979 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -264,6 +264,9 @@ static inline void user_enable_single_step(struct task_struct *task)
 static inline void user_disable_single_step(struct task_struct *task)
 {
 }
+#else
+extern void user_enable_single_step(struct task_struct *);
+extern void user_disable_single_step(struct task_struct *);
 #endif  /* arch_has_single_step */
 
 #ifndef arch_has_block_step
@@ -291,6 +294,8 @@ static inline void user_enable_block_step(struct task_struct *task)
 {
         BUG();                  /* This can never be called.  */
 }
+#else
+extern void user_enable_block_step(struct task_struct *);
 #endif  /* arch_has_block_step */
 
 #ifdef ARCH_HAS_USER_SINGLE_STEP_INFO
diff --git a/include/linux/rbtree.h b/include/linux/rbtree.h
index 9c295411d01f..5210a5c60877 100644
--- a/include/linux/rbtree.h
+++ b/include/linux/rbtree.h
@@ -25,10 +25,10 @@
 
   Some example of insert and search follows here. The search is a plain
   normal search over an ordered tree. The insert instead must be implemented
-  int two steps: as first thing the code must insert the element in
-  order as a red leaf in the tree, then the support library function
-  rb_insert_color() must be called. Such function will do the
-  not trivial work to rebalance the rbtree if necessary.
+  in two steps: First, the code must insert the element in order as a red leaf
+  in the tree, and then the support library function rb_insert_color() must
+  be called. Such function will do the not trivial work to rebalance the
+  rbtree, if necessary.
 
 -----------------------------------------------------------------------
 static inline struct page * rb_search_page_cache(struct inode * inode,
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index c84373626336..3024050c82a1 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -41,6 +41,10 @@
 #include <linux/lockdep.h>
 #include <linux/completion.h>
 
+#ifdef CONFIG_RCU_TORTURE_TEST
+extern int rcutorture_runnable; /* for sysctl */
+#endif /* #ifdef CONFIG_RCU_TORTURE_TEST */
+
 /**
  * struct rcu_head - callback structure for use with RCU
  * @next: next update requests in a list
@@ -97,6 +101,11 @@ extern struct lockdep_map rcu_sched_lock_map;
 # define rcu_read_release_sched() \
                 lock_release(&rcu_sched_lock_map, 1, _THIS_IP_)
 
+static inline int debug_lockdep_rcu_enabled(void)
+{
+        return likely(rcu_scheduler_active && debug_locks);
+}
+
 /**
  * rcu_read_lock_held - might we be in RCU read-side critical section?
  *
@@ -104,12 +113,14 @@ extern struct lockdep_map rcu_sched_lock_map;
  * an RCU read-side critical section.  In absence of CONFIG_PROVE_LOCKING,
  * this assumes we are in an RCU read-side critical section unless it can
  * prove otherwise.
+ *
+ * Check rcu_scheduler_active to prevent false positives during boot.
  */
 static inline int rcu_read_lock_held(void)
 {
-        if (debug_locks)
-                return lock_is_held(&rcu_lock_map);
-        return 1;
+        if (!debug_lockdep_rcu_enabled())
+                return 1;
+        return lock_is_held(&rcu_lock_map);
 }
 
 /**
@@ -119,12 +130,14 @@ static inline int rcu_read_lock_held(void)
  * an RCU-bh read-side critical section.  In absence of CONFIG_PROVE_LOCKING,
  * this assumes we are in an RCU-bh read-side critical section unless it can
  * prove otherwise.
+ *
+ * Check rcu_scheduler_active to prevent false positives during boot.
  */
 static inline int rcu_read_lock_bh_held(void)
 {
-        if (debug_locks)
-                return lock_is_held(&rcu_bh_lock_map);
-        return 1;
+        if (!debug_lockdep_rcu_enabled())
+                return 1;
+        return lock_is_held(&rcu_bh_lock_map);
 }
 
 /**
@@ -135,15 +148,26 @@ static inline int rcu_read_lock_bh_held(void)
  * this assumes we are in an RCU-sched read-side critical section unless it
  * can prove otherwise.  Note that disabling of preemption (including
  * disabling irqs) counts as an RCU-sched read-side critical section.
+ *
+ * Check rcu_scheduler_active to prevent false positives during boot.
  */
+#ifdef CONFIG_PREEMPT
 static inline int rcu_read_lock_sched_held(void)
 {
         int lockdep_opinion = 0;
 
+        if (!debug_lockdep_rcu_enabled())
+                return 1;
         if (debug_locks)
                 lockdep_opinion = lock_is_held(&rcu_sched_lock_map);
-        return lockdep_opinion || preempt_count() != 0 || !rcu_scheduler_active;
+        return lockdep_opinion || preempt_count() != 0;
+}
+#else /* #ifdef CONFIG_PREEMPT */
+static inline int rcu_read_lock_sched_held(void)
+{
+        return 1;
 }
+#endif /* #else #ifdef CONFIG_PREEMPT */
 
 #else /* #ifdef CONFIG_DEBUG_LOCK_ALLOC */
 
@@ -164,10 +188,17 @@ static inline int rcu_read_lock_bh_held(void)
         return 1;
 }
 
+#ifdef CONFIG_PREEMPT
 static inline int rcu_read_lock_sched_held(void)
 {
-        return preempt_count() != 0 || !rcu_scheduler_active;
+        return !rcu_scheduler_active || preempt_count() != 0;
+}
+#else /* #ifdef CONFIG_PREEMPT */
+static inline int rcu_read_lock_sched_held(void)
+{
+        return 1;
 }
+#endif /* #else #ifdef CONFIG_PREEMPT */
 
 #endif /* #else #ifdef CONFIG_DEBUG_LOCK_ALLOC */
 
@@ -184,7 +215,7 @@ static inline int rcu_read_lock_sched_held(void)
  */
 #define rcu_dereference_check(p, c) \
         ({ \
-                if (debug_locks && !(c)) \
+                if (debug_lockdep_rcu_enabled() && !(c)) \
                         lockdep_rcu_dereference(__FILE__, __LINE__); \
                 rcu_dereference_raw(p); \
         })
diff --git a/include/linux/reboot.h b/include/linux/reboot.h
index 988e55fe649b..3005d5a7fce5 100644
--- a/include/linux/reboot.h
+++ b/include/linux/reboot.h
@@ -64,6 +64,7 @@ extern void kernel_restart(char *cmd);
 extern void kernel_halt(void);
 extern void kernel_power_off(void);
 
+extern int C_A_D; /* for sysctl */
 void ctrl_alt_del(void);
 
 #define POWEROFF_CMD_PATH_LEN   256
diff --git a/include/linux/rfkill.h b/include/linux/rfkill.h
index 97059d08a626..4f82326eb294 100644
--- a/include/linux/rfkill.h
+++ b/include/linux/rfkill.h
@@ -29,7 +29,7 @@
 /**
  * enum rfkill_type - type of rfkill switch.
  *
- * @RFKILL_TYPE_ALL: toggles all switches (userspace only)
+ * @RFKILL_TYPE_ALL: toggles all switches (requests only - not a switch type)
  * @RFKILL_TYPE_WLAN: switch is on a 802.11 wireless network device.
  * @RFKILL_TYPE_BLUETOOTH: switch is on a bluetooth device.
  * @RFKILL_TYPE_UWB: switch is on a ultra wideband device.
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index 60f88a7fb13d..14dbc83ded20 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -238,6 +238,12 @@ static inline bool is_leap_year(unsigned int year)
         return (!(year % 4) && (year % 100)) || !(year % 400);
 }
 
+#ifdef CONFIG_RTC_HCTOSYS
+extern int rtc_hctosys_ret;
+#else
+#define rtc_hctosys_ret -ENODEV
+#endif
+
 #endif /* __KERNEL__ */
 
 #endif /* _LINUX_RTC_H_ */
diff --git a/include/linux/rtmutex.h b/include/linux/rtmutex.h
index 281d8fd775e8..8d522ffeda33 100644
--- a/include/linux/rtmutex.h
+++ b/include/linux/rtmutex.h
@@ -16,6 +16,8 @@
 #include <linux/plist.h>
 #include <linux/spinlock_types.h>
 
+extern int max_lock_depth; /* for sysctl */
+
 /**
  * The rt_mutex structure
  *
diff --git a/include/linux/rwlock.h b/include/linux/rwlock.h
index 71e0b00b6f2c..bc2994ed66e1 100644
--- a/include/linux/rwlock.h
+++ b/include/linux/rwlock.h
@@ -29,25 +29,25 @@ do {								\
 #endif
 
 #ifdef CONFIG_DEBUG_SPINLOCK
- extern void do_raw_read_lock(rwlock_t *lock);
+ extern void do_raw_read_lock(rwlock_t *lock) __acquires(lock);
 #define do_raw_read_lock_flags(lock, flags) do_raw_read_lock(lock)
  extern int do_raw_read_trylock(rwlock_t *lock);
- extern void do_raw_read_unlock(rwlock_t *lock);
- extern void do_raw_write_lock(rwlock_t *lock);
+ extern void do_raw_read_unlock(rwlock_t *lock) __releases(lock);
+ extern void do_raw_write_lock(rwlock_t *lock) __acquires(lock);
 #define do_raw_write_lock_flags(lock, flags) do_raw_write_lock(lock)
  extern int do_raw_write_trylock(rwlock_t *lock);
- extern void do_raw_write_unlock(rwlock_t *lock);
+ extern void do_raw_write_unlock(rwlock_t *lock) __releases(lock);
 #else
-# define do_raw_read_lock(rwlock)       arch_read_lock(&(rwlock)->raw_lock)
+# define do_raw_read_lock(rwlock)       do {__acquire(lock); arch_read_lock(&(rwlock)->raw_lock); } while (0)
 # define do_raw_read_lock_flags(lock, flags) \
-                arch_read_lock_flags(&(lock)->raw_lock, *(flags))
+                do {__acquire(lock); arch_read_lock_flags(&(lock)->raw_lock, *(flags)); } while (0)
 # define do_raw_read_trylock(rwlock)    arch_read_trylock(&(rwlock)->raw_lock)
-# define do_raw_read_unlock(rwlock)     arch_read_unlock(&(rwlock)->raw_lock)
-# define do_raw_write_lock(rwlock)      arch_write_lock(&(rwlock)->raw_lock)
+# define do_raw_read_unlock(rwlock)     do {arch_read_unlock(&(rwlock)->raw_lock); __release(lock); } while (0)
+# define do_raw_write_lock(rwlock)      do {__acquire(lock); arch_write_lock(&(rwlock)->raw_lock); } while (0)
 # define do_raw_write_lock_flags(lock, flags) \
-                arch_write_lock_flags(&(lock)->raw_lock, *(flags))
+                do {__acquire(lock); arch_write_lock_flags(&(lock)->raw_lock, *(flags)); } while (0)
 # define do_raw_write_trylock(rwlock)   arch_write_trylock(&(rwlock)->raw_lock)
-# define do_raw_write_unlock(rwlock)    arch_write_unlock(&(rwlock)->raw_lock)
+# define do_raw_write_unlock(rwlock)    do {arch_write_unlock(&(rwlock)->raw_lock); __release(lock); } while (0)
 #endif
 
 #define read_can_lock(rwlock)           arch_read_can_lock(&(rwlock)->raw_lock)
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 46c6f8d5dc06..dad7f668ebf7 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -258,6 +258,10 @@ extern spinlock_t mmlist_lock;
 
 struct task_struct;
 
+#ifdef CONFIG_PROVE_RCU
+extern int lockdep_tasklist_lock_is_held(void);
+#endif /* #ifdef CONFIG_PROVE_RCU */
+
 extern void sched_init(void);
 extern void sched_init_smp(void);
 extern asmlinkage void schedule_tail(struct task_struct *prev);
@@ -1473,7 +1477,7 @@ struct task_struct {
 
         struct list_head        *scm_work_list;
 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
-        /* Index of current stored adress in ret_stack */
+        /* Index of current stored address in ret_stack */
         int curr_ret_stack;
         /* Stack of return addresses for return function tracing */
         struct ftrace_ret_stack *ret_stack;
@@ -2391,9 +2395,7 @@ void thread_group_cputimer(struct task_struct *tsk, struct task_cputime *times);
 
 static inline void thread_group_cputime_init(struct signal_struct *sig)
 {
-        sig->cputimer.cputime = INIT_CPUTIME;
         spin_lock_init(&sig->cputimer.lock);
-        sig->cputimer.running = 0;
 }
 
 static inline void thread_group_cputime_free(struct signal_struct *sig)
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 8c3dd36fe91a..78dd1e7120a9 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -491,9 +491,13 @@ uart_handle_dcd_change(struct uart_port *uport, unsigned int status)
 {
         struct uart_state *state = uport->state;
         struct tty_port *port = &state->port;
+        struct tty_ldisc *ld = tty_ldisc_ref(port->tty);
+        struct timespec ts;
 
-        uport->icount.dcd++;
+        if (ld && ld->ops->dcd_change)
+                getnstimeofday(&ts);
 
+        uport->icount.dcd++;
 #ifdef CONFIG_HARD_PPS
         if ((uport->flags & UPF_HARDPPS_CD) && status)
                 hardpps();
@@ -505,6 +509,11 @@ uart_handle_dcd_change(struct uart_port *uport, unsigned int status)
                 else if (port->tty)
                         tty_hangup(port->tty);
         }
+
+        if (ld && ld->ops->dcd_change)
+                ld->ops->dcd_change(port->tty, status, &ts);
+        if (ld)
+                tty_ldisc_deref(ld);
 }
 
 /**
diff --git a/include/linux/signal.h b/include/linux/signal.h
index ab9272cc270c..fcd2b14b1932 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -7,6 +7,8 @@
 #ifdef __KERNEL__
 #include <linux/list.h>
 
+/* for sysctl */
+extern int print_fatal_signals;
 /*
  * Real Time signals may be queued.
  */
diff --git a/include/linux/snmp.h b/include/linux/snmp.h
index e28f5a0182e8..4435d1084755 100644
--- a/include/linux/snmp.h
+++ b/include/linux/snmp.h
@@ -225,6 +225,8 @@ enum
         LINUX_MIB_SACKSHIFTED,
         LINUX_MIB_SACKMERGED,
         LINUX_MIB_SACKSHIFTFALLBACK,
+        LINUX_MIB_TCPBACKLOGDROP,
+        LINUX_MIB_TCPMINTTLDROP, /* RFC 5082 */
         __LINUX_MIB_MAX
 };
 
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h
index 86088213334a..89fac6a3f78b 100644
--- a/include/linux/spinlock.h
+++ b/include/linux/spinlock.h
@@ -128,19 +128,21 @@ static inline void smp_mb__after_lock(void) { smp_mb(); }
 #define raw_spin_unlock_wait(lock)      arch_spin_unlock_wait(&(lock)->raw_lock)
 
 #ifdef CONFIG_DEBUG_SPINLOCK
- extern void do_raw_spin_lock(raw_spinlock_t *lock);
+ extern void do_raw_spin_lock(raw_spinlock_t *lock) __acquires(lock);
 #define do_raw_spin_lock_flags(lock, flags) do_raw_spin_lock(lock)
  extern int do_raw_spin_trylock(raw_spinlock_t *lock);
- extern void do_raw_spin_unlock(raw_spinlock_t *lock);
+ extern void do_raw_spin_unlock(raw_spinlock_t *lock) __releases(lock);
 #else
-static inline void do_raw_spin_lock(raw_spinlock_t *lock)
+static inline void do_raw_spin_lock(raw_spinlock_t *lock) __acquires(lock)
 {
+        __acquire(lock);
         arch_spin_lock(&lock->raw_lock);
 }
 
 static inline void
-do_raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long *flags)
+do_raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long *flags) __acquires(lock)
 {
+        __acquire(lock);
         arch_spin_lock_flags(&lock->raw_lock, *flags);
 }
 
@@ -149,9 +151,10 @@ static inline int do_raw_spin_trylock(raw_spinlock_t *lock)
         return arch_spin_trylock(&(lock)->raw_lock);
 }
 
-static inline void do_raw_spin_unlock(raw_spinlock_t *lock)
+static inline void do_raw_spin_unlock(raw_spinlock_t *lock) __releases(lock)
 {
         arch_spin_unlock(&lock->raw_lock);
+        __release(lock);
 }
 #endif
 
diff --git a/include/linux/swap.h b/include/linux/swap.h
index a2602a8207a6..1f59d9340c4d 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -355,6 +355,7 @@ static inline void disable_swap_token(void)
 #ifdef CONFIG_CGROUP_MEM_RES_CTLR
 extern void
 mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent, bool swapout);
+extern int mem_cgroup_count_swap_user(swp_entry_t ent, struct page **pagep);
 #else
 static inline void
 mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent, bool swapout)
@@ -485,6 +486,14 @@ mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent)
 {
 }
 
+#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+static inline int
+mem_cgroup_count_swap_user(swp_entry_t ent, struct page **pagep)
+{
+        return 0;
+}
+#endif
+
 #endif /* CONFIG_SWAP */
 #endif /* __KERNEL__*/
 #endif /* _LINUX_SWAP_H */
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 8126f239edf0..44f2ad0e8825 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -23,6 +23,7 @@ struct kexec_segment;
 struct linux_dirent;
 struct linux_dirent64;
 struct list_head;
+struct mmap_arg_struct;
 struct msgbuf;
 struct msghdr;
 struct mmsghdr;
@@ -30,10 +31,13 @@ struct msqid_ds;
 struct new_utsname;
 struct nfsctl_arg;
 struct __old_kernel_stat;
+struct oldold_utsname;
+struct old_utsname;
 struct pollfd;
 struct rlimit;
 struct rusage;
 struct sched_param;
+struct sel_arg_struct;
 struct semaphore;
 struct sembuf;
 struct shmid_ds;
@@ -638,6 +642,7 @@ asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds,
                                 long timeout);
 asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp,
                         fd_set __user *exp, struct timeval __user *tvp);
+asmlinkage long sys_old_select(struct sel_arg_struct __user *arg);
 asmlinkage long sys_epoll_create(int size);
 asmlinkage long sys_epoll_create1(int flags);
 asmlinkage long sys_epoll_ctl(int epfd, int op, int fd,
@@ -652,6 +657,8 @@ asmlinkage long sys_gethostname(char __user *name, int len);
 asmlinkage long sys_sethostname(char __user *name, int len);
 asmlinkage long sys_setdomainname(char __user *name, int len);
 asmlinkage long sys_newuname(struct new_utsname __user *name);
+asmlinkage long sys_uname(struct old_utsname __user *);
+asmlinkage long sys_olduname(struct oldold_utsname __user *);
 
 asmlinkage long sys_getrlimit(unsigned int resource,
                                 struct rlimit __user *rlim);
@@ -681,6 +688,8 @@ asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg);
 asmlinkage long sys_shmget(key_t key, size_t size, int flag);
 asmlinkage long sys_shmdt(char __user *shmaddr);
 asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
+asmlinkage long sys_ipc(unsigned int call, int first, int second,
+                unsigned long third, void __user *ptr, long fifth);
 
 asmlinkage long sys_mq_open(const char __user *name, int oflag, mode_t mode, struct mq_attr __user *attr);
 asmlinkage long sys_mq_unlink(const char __user *name);
@@ -836,4 +845,6 @@ asmlinkage long sys_perf_event_open(
 asmlinkage long sys_mmap_pgoff(unsigned long addr, unsigned long len,
                         unsigned long prot, unsigned long flags,
                         unsigned long fd, unsigned long pgoff);
+asmlinkage long sys_old_mmap(struct mmap_arg_struct __user *arg);
+
 #endif
diff --git a/include/linux/taskstats_kern.h b/include/linux/taskstats_kern.h
index 3398f4553269..b6523c1427ce 100644
--- a/include/linux/taskstats_kern.h
+++ b/include/linux/taskstats_kern.h
@@ -14,11 +14,6 @@
 extern struct kmem_cache *taskstats_cache;
 extern struct mutex taskstats_exit_mutex;
 
-static inline void taskstats_tgid_init(struct signal_struct *sig)
-{
-        sig->stats = NULL;
-}
-
 static inline void taskstats_tgid_free(struct signal_struct *sig)
 {
         if (sig->stats)
@@ -30,8 +25,6 @@ extern void taskstats_init_early(void);
 #else
 static inline void taskstats_exit(struct task_struct *tsk, int group_dead)
 {}
-static inline void taskstats_tgid_init(struct signal_struct *sig)
-{}
 static inline void taskstats_tgid_free(struct signal_struct *sig)
 {}
 static inline void taskstats_init_early(void)
diff --git a/include/linux/tty.h b/include/linux/tty.h
index d96e5882f129..568369a86306 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -514,6 +514,7 @@ extern void tty_ldisc_enable(struct tty_struct *tty);
 
 /* n_tty.c */
 extern struct tty_ldisc_ops tty_ldisc_N_TTY;
+extern void n_tty_inherit_ops(struct tty_ldisc_ops *ops);
 
 /* tty_audit.c */
 #ifdef CONFIG_AUDIT
diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h
index 0c4ee9b88f85..526d66f066a3 100644
--- a/include/linux/tty_ldisc.h
+++ b/include/linux/tty_ldisc.h
@@ -99,6 +99,12 @@
  *      cease I/O to the tty driver. Can sleep. The driver should
  *      seek to perform this action quickly but should wait until
  *      any pending driver I/O is completed.
+ *
+ * void (*dcd_change)(struct tty_struct *tty, unsigned int status,
+ *                      struct timespec *ts)
+ *
+ *      Tells the discipline that the DCD pin has changed its status and
+ *      the relative timestamp. Pointer ts can be NULL.
  */
 
 #include <linux/fs.h>
@@ -136,6 +142,8 @@ struct tty_ldisc_ops {
         void    (*receive_buf)(struct tty_struct *, const unsigned char *cp,
                                char *fp, int count);
         void    (*write_wakeup)(struct tty_struct *);
+        void    (*dcd_change)(struct tty_struct *, unsigned int,
+                                struct timespec *);
 
         struct  module *owner;
         
diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index f508c651e53d..40d1709bdbf4 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -98,6 +98,7 @@ struct virtio_device {
         void *priv;
 };
 
+#define dev_to_virtio(dev) container_of(dev, struct virtio_device, dev)
 int register_virtio_device(struct virtio_device *dev);
 void unregister_virtio_device(struct virtio_device *dev);
 
diff --git a/include/linux/virtio_9p.h b/include/linux/virtio_9p.h
index 332275080083..5cf11765146b 100644
--- a/include/linux/virtio_9p.h
+++ b/include/linux/virtio_9p.h
@@ -5,4 +5,16 @@
 #include <linux/virtio_ids.h>
 #include <linux/virtio_config.h>
 
+/* The feature bitmap for virtio 9P */
+
+/* The mount point is specified in a config variable */
+#define VIRTIO_9P_MOUNT_TAG 0
+
+struct virtio_9p_config {
+        /* length of the tag name */
+        __u16 tag_len;
+        /* non-NULL terminated tag name */
+        __u8 tag[0];
+} __attribute__((packed));
+
 #endif /* _LINUX_VIRTIO_9P_H */