Merge branch 'linus' into cpus4096

Conflicts:
	kernel/trace/ring_buffer.c

9 files changed, 16 insertions, 14 deletions

diff --git a/include/linux/compat.h b/include/linux/compat.h
index f061a1ea1b74..e88f3ecf38b4 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -252,12 +252,10 @@ extern int compat_ptrace_request(struct task_struct *child,
                                  compat_long_t request,
                                  compat_ulong_t addr, compat_ulong_t data);
 
-#ifdef __ARCH_WANT_COMPAT_SYS_PTRACE
 extern long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
                                compat_ulong_t addr, compat_ulong_t data);
 asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid,
                                   compat_long_t addr, compat_long_t data);
-#endif  /* __ARCH_WANT_COMPAT_SYS_PTRACE */
 
 /*
  * epoll (fs/eventpoll.c) compat bits follow ...
diff --git a/include/linux/highmem.h b/include/linux/highmem.h
index 7dcbc82f3b7b..13875ce9112a 100644
--- a/include/linux/highmem.h
+++ b/include/linux/highmem.h
@@ -63,12 +63,14 @@ static inline void *kmap_atomic(struct page *page, enum km_type idx)
 #endif /* CONFIG_HIGHMEM */
 
 /* when CONFIG_HIGHMEM is not set these will be plain clear/copy_page */
+#ifndef clear_user_highpage
 static inline void clear_user_highpage(struct page *page, unsigned long vaddr)
 {
         void *addr = kmap_atomic(page, KM_USER0);
         clear_user_page(addr, vaddr, page);
         kunmap_atomic(addr, KM_USER0);
 }
+#endif
 
 #ifndef __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
 /**
diff --git a/include/linux/idr.h b/include/linux/idr.h
index fa035f96f2a3..dd846df8cd32 100644
--- a/include/linux/idr.h
+++ b/include/linux/idr.h
@@ -52,13 +52,14 @@ struct idr_layer {
         unsigned long            bitmap; /* A zero bit means "space here" */
         struct idr_layer        *ary[1<<IDR_BITS];
         int                      count;  /* When zero, we can release it */
+        int                      layer;  /* distance from leaf */
         struct rcu_head          rcu_head;
 };
 
 struct idr {
         struct idr_layer *top;
         struct idr_layer *id_free;
-        int               layers;
+        int               layers; /* only valid without concurrent changes */
         int               id_free_cnt;
         spinlock_t        lock;
 };
diff --git a/include/linux/irq.h b/include/linux/irq.h
index d058c57be02d..3dddfa703ebd 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -63,7 +63,8 @@ typedef	void (*irq_flow_handler_t)(unsigned int irq,
 #define IRQ_MOVE_PENDING        0x00200000      /* need to re-target IRQ destination */
 #define IRQ_NO_BALANCING        0x00400000      /* IRQ is excluded from balancing */
 #define IRQ_SPURIOUS_DISABLED   0x00800000      /* IRQ was disabled by the spurious trap */
-#define IRQ_MOVE_PCNTXT 0x01000000      /* IRQ migration from process context */
+#define IRQ_MOVE_PCNTXT         0x01000000      /* IRQ migration from process context */
+#define IRQ_AFFINITY_SET        0x02000000      /* IRQ affinity was set from userspace*/
 
 #ifdef CONFIG_IRQ_PER_CPU
 # define CHECK_IRQ_PER_CPU(var) ((var) & IRQ_PER_CPU)
@@ -130,7 +131,7 @@ struct irq_chip {
 
 /**
  * struct irq_desc - interrupt descriptor
- *
+ * @irq:                interrupt number for this descriptor
  * @handle_irq:         highlevel irq-events handler [if NULL, __do_IRQ()]
  * @chip:               low level interrupt hardware access
  * @msi_desc:           MSI descriptor
@@ -149,7 +150,6 @@ struct irq_chip {
  * @cpu:                cpu index useful for balancing
  * @pending_mask:       pending rebalanced interrupts
  * @dir:                /proc/irq/ procfs entry
- * @affinity_entry:     /proc/irq/smp_affinity procfs entry on SMP
  * @name:               flow handler name for /proc/interrupts output
  */
 struct irq_desc {
@@ -210,7 +210,6 @@ extern int setup_irq(unsigned int irq, struct irqaction *new);
 
 #ifdef CONFIG_GENERIC_PENDING_IRQ
 
-void set_pending_irq(unsigned int irq, cpumask_t mask);
 void move_native_irq(int irq);
 void move_masked_irq(int irq);
 
@@ -228,10 +227,6 @@ static inline void move_masked_irq(int irq)
 {
 }
 
-static inline void set_pending_irq(unsigned int irq, cpumask_t mask)
-{
-}
-
 #endif /* CONFIG_GENERIC_PENDING_IRQ */
 
 #else /* CONFIG_SMP */
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 59b0f1c807b5..ed3f26eb5df1 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -375,6 +375,7 @@ enum {
         ATA_HORKAGE_BRIDGE_OK   = (1 << 10),    /* no bridge limits */
         ATA_HORKAGE_ATAPI_MOD16_DMA = (1 << 11), /* use ATAPI DMA for commands
                                                     not multiple of 16 bytes */
+        ATA_HORKAGE_FIRMWARE_WARN = (1 << 12),  /* firwmare update warning */
 
          /* DMA mask for user DMA control: User visible values; DO NOT
             renumber */
diff --git a/include/linux/memory.h b/include/linux/memory.h
index 2f5f8a5ef2a0..36c82c9e6ea7 100644
--- a/include/linux/memory.h
+++ b/include/linux/memory.h
@@ -91,7 +91,7 @@ extern int memory_notify(unsigned long val, void *v);
 
 #ifdef CONFIG_MEMORY_HOTPLUG
 #define hotplug_memory_notifier(fn, pri) {                      \
-        static struct notifier_block fn##_mem_nb =              \
+        static __meminitdata struct notifier_block fn##_mem_nb =\
                 { .notifier_call = fn, .priority = pri };       \
         register_memory_notifier(&fn##_mem_nb);                 \
 }
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index bd9977b89490..371086fd946f 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -179,6 +179,7 @@ struct mlx4_caps {
         int                     num_ports;
         int                     vl_cap[MLX4_MAX_PORTS + 1];
         int                     ib_mtu_cap[MLX4_MAX_PORTS + 1];
+        __be32                  ib_port_def_cap[MLX4_MAX_PORTS + 1];
         u64                     def_mac[MLX4_MAX_PORTS + 1];
         int                     eth_mtu_cap[MLX4_MAX_PORTS + 1];
         int                     gid_table_len[MLX4_MAX_PORTS + 1];
diff --git a/include/linux/page_cgroup.h b/include/linux/page_cgroup.h
index f546ad6fc028..1e6d34bfa094 100644
--- a/include/linux/page_cgroup.h
+++ b/include/linux/page_cgroup.h
@@ -17,7 +17,7 @@ struct page_cgroup {
         struct list_head lru;           /* per cgroup LRU list */
 };
 
-void __init pgdat_page_cgroup_init(struct pglist_data *pgdat);
+void __meminit pgdat_page_cgroup_init(struct pglist_data *pgdat);
 void __init page_cgroup_init(void);
 struct page_cgroup *lookup_page_cgroup(struct page *page);
 
@@ -91,7 +91,7 @@ static inline void unlock_page_cgroup(struct page_cgroup *pc)
 #else /* CONFIG_CGROUP_MEM_RES_CTLR */
 struct page_cgroup;
 
-static inline void pgdat_page_cgroup_init(struct pglist_data *pgdat)
+static inline void __meminit pgdat_page_cgroup_init(struct pglist_data *pgdat)
 {
 }
 
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 4b7b0187374c..bf953932e676 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -628,6 +628,10 @@ struct user_struct {
         atomic_t inotify_watches; /* How many inotify watches does this user have? */
         atomic_t inotify_devs;  /* How many inotify devs does this user have opened? */
 #endif
+#ifdef CONFIG_EPOLL
+        atomic_t epoll_devs;    /* The number of epoll descriptors currently open */
+        atomic_t epoll_watches; /* The number of file descriptors currently watched */
+#endif
 #ifdef CONFIG_POSIX_MQUEUE
         /* protected by mq_lock */
         unsigned long mq_bytes; /* How many bytes can be allocated to mqueue? */