Merge branch 'akpm' (incoming from Andrew)

Merge first patch-bomb from Andrew Morton:
 - Various misc bits
 - kmemleak fixes
 - small befs, codafs, cifs, efs, freexxfs, hfsplus, minixfs, reiserfs things
 - fanotify
 - I appear to have become SuperH maintainer
 - ocfs2 updates
 - direct-io tweaks
 - a bit of the MM queue
 - printk updates
 - MAINTAINERS maintenance
 - some backlight things
 - lib/ updates
 - checkpatch updates
 - the rtc queue
 - nilfs2 updates
 - Small Documentation/ updates

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (237 commits)
  Documentation/SubmittingPatches: remove references to patch-scripts
  Documentation/SubmittingPatches: update some dead URLs
  Documentation/filesystems/ntfs.txt: remove changelog reference
  Documentation/kmemleak.txt: updates
  fs/reiserfs/super.c: add __init to init_inodecache
  fs/reiserfs: move prototype declaration to header file
  fs/hfsplus/attributes.c: add __init to hfsplus_create_attr_tree_cache()
  fs/hfsplus/extents.c: fix concurrent acess of alloc_blocks
  fs/hfsplus/extents.c: remove unused variable in hfsplus_get_block
  nilfs2: update project's web site in nilfs2.txt
  nilfs2: update MAINTAINERS file entries fix
  nilfs2: verify metadata sizes read from disk
  nilfs2: add FITRIM ioctl support for nilfs2
  nilfs2: add nilfs_sufile_trim_fs to trim clean segs
  nilfs2: implementation of NILFS_IOCTL_SET_SUINFO ioctl
  nilfs2: add nilfs_sufile_set_suinfo to update segment usage
  nilfs2: add struct nilfs_suinfo_update and flags
  nilfs2: update MAINTAINERS file entries
  fs/coda/inode.c: add __init to init_inodecache()
  BEFS: logging cleanup
  ...

14 files changed, 35 insertions, 40 deletions

diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index e2dbb60004d4..3d54c418bd06 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -996,7 +996,7 @@ static void cpuset_change_task_nodemask(struct task_struct *tsk,
         task_lock(tsk);
         /*
          * Determine if a loop is necessary if another thread is doing
-         * get_mems_allowed().  If at least one node remains unchanged and
+         * read_mems_allowed_begin().  If at least one node remains unchanged and
          * tsk does not have a mempolicy, then an empty nodemask will not be
          * possible when mems_allowed is larger than a word.
          */
diff --git a/kernel/groups.c b/kernel/groups.c
index 90cf1c38c8ea..451698f86cfa 100644
--- a/kernel/groups.c
+++ b/kernel/groups.c
@@ -157,17 +157,13 @@ int groups_search(const struct group_info *group_info, kgid_t grp)
  * set_groups - Change a group subscription in a set of credentials
  * @new: The newly prepared set of credentials to alter
  * @group_info: The group list to install
- *
- * Validate a group subscription and, if valid, insert it into a set
- * of credentials.
  */
-int set_groups(struct cred *new, struct group_info *group_info)
+void set_groups(struct cred *new, struct group_info *group_info)
 {
         put_group_info(new->group_info);
         groups_sort(group_info);
         get_group_info(group_info);
         new->group_info = group_info;
-        return 0;
 }
 
 EXPORT_SYMBOL(set_groups);
@@ -182,18 +178,12 @@ EXPORT_SYMBOL(set_groups);
 int set_current_groups(struct group_info *group_info)
 {
         struct cred *new;
-        int ret;
 
         new = prepare_creds();
         if (!new)
                 return -ENOMEM;
 
-        ret = set_groups(new, group_info);
-        if (ret < 0) {
-                abort_creds(new);
-                return ret;
-        }
-
+        set_groups(new, group_info);
         return commit_creds(new);
 }
 
diff --git a/kernel/hung_task.c b/kernel/hung_task.c
index 0b9c169d577f..06bb1417b063 100644
--- a/kernel/hung_task.c
+++ b/kernel/hung_task.c
@@ -246,5 +246,4 @@ static int __init hung_task_init(void)
 
         return 0;
 }
-
-module_init(hung_task_init);
+subsys_initcall(hung_task_init);
diff --git a/kernel/kexec.c b/kernel/kexec.c
index 45601cf41bee..c0d261c7db7b 100644
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -1235,7 +1235,7 @@ static int __init crash_notes_memory_init(void)
         }
         return 0;
 }
-module_init(crash_notes_memory_init)
+subsys_initcall(crash_notes_memory_init);
 
 
 /*
@@ -1629,7 +1629,7 @@ static int __init crash_save_vmcoreinfo_init(void)
         return 0;
 }
 
-module_init(crash_save_vmcoreinfo_init)
+subsys_initcall(crash_save_vmcoreinfo_init);
 
 /*
  * Move into place and start executing a preloaded standalone
diff --git a/kernel/kthread.c b/kernel/kthread.c
index b5ae3ee860a9..9a130ec06f7a 100644
--- a/kernel/kthread.c
+++ b/kernel/kthread.c
@@ -217,7 +217,7 @@ int tsk_fork_get_node(struct task_struct *tsk)
         if (tsk == kthreadd_task)
                 return tsk->pref_node_fork;
 #endif
-        return numa_node_id();
+        return NUMA_NO_NODE;
 }
 
 static void create_kthread(struct kthread_create_info *create)
@@ -369,7 +369,7 @@ struct task_struct *kthread_create_on_cpu(int (*threadfn)(void *data),
 {
         struct task_struct *p;
 
-        p = kthread_create_on_node(threadfn, data, cpu_to_node(cpu), namefmt,
+        p = kthread_create_on_node(threadfn, data, cpu_to_mem(cpu), namefmt,
                                    cpu);
         if (IS_ERR(p))
                 return p;
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 4dae9cbe9259..a45b50962295 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -319,7 +319,7 @@ static void log_store(int facility, int level,
                 else
                         free = log_first_idx - log_next_idx;
 
-                if (free > size + sizeof(struct printk_log))
+                if (free >= size + sizeof(struct printk_log))
                         break;
 
                 /* drop old messages until we have enough contiuous space */
@@ -327,7 +327,7 @@ static void log_store(int facility, int level,
                 log_first_seq++;
         }
 
-        if (log_next_idx + size + sizeof(struct printk_log) >= log_buf_len) {
+        if (log_next_idx + size + sizeof(struct printk_log) > log_buf_len) {
                 /*
                  * This message + an additional empty header does not fit
                  * at the end of the buffer. Add an empty header with len == 0
@@ -351,7 +351,7 @@ static void log_store(int facility, int level,
         else
                 msg->ts_nsec = local_clock();
         memset(log_dict(msg) + dict_len, 0, pad_len);
-        msg->len = sizeof(struct printk_log) + text_len + dict_len + pad_len;
+        msg->len = size;
 
         /* insert message */
         log_next_idx += msg->len;
@@ -1560,9 +1560,12 @@ asmlinkage int vprintk_emit(int facility, int level,
                                         level = kern_level - '0';
                         case 'd':       /* KERN_DEFAULT */
                                 lflags |= LOG_PREFIX;
-                        case 'c':       /* KERN_CONT */
-                                break;
                         }
+                        /*
+                         * No need to check length here because vscnprintf
+                         * put '\0' at the end of the string. Only valid and
+                         * newly printed level is detected.
+                         */
                         text_len -= end_of_header - text;
                         text = (char *)end_of_header;
                 }
@@ -1880,6 +1883,7 @@ void suspend_console(void)
         console_lock();
         console_suspended = 1;
         up(&console_sem);
+        mutex_release(&console_lock_dep_map, 1, _RET_IP_);
 }
 
 void resume_console(void)
@@ -1887,6 +1891,7 @@ void resume_console(void)
         if (!console_suspend_enabled)
                 return;
         down(&console_sem);
+        mutex_acquire(&console_lock_dep_map, 0, 0, _RET_IP_);
         console_suspended = 0;
         console_unlock();
 }
diff --git a/kernel/profile.c b/kernel/profile.c
index ebdd9c1a86b4..1b266dbe755a 100644
--- a/kernel/profile.c
+++ b/kernel/profile.c
@@ -604,5 +604,5 @@ int __ref create_proc_profile(void) /* false positive from hotcpu_notifier */
         hotcpu_notifier(profile_cpu_callback, 0);
         return 0;
 }
-module_init(create_proc_profile);
+subsys_initcall(create_proc_profile);
 #endif /* CONFIG_PROC_FS */
diff --git a/kernel/resource.c b/kernel/resource.c
index 673061c06da1..8957d686e29b 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -511,7 +511,7 @@ static int find_resource(struct resource *root, struct resource *new,
  * @newsize: new size of the resource descriptor
  * @constraint: the size and alignment constraints to be met.
  */
-int reallocate_resource(struct resource *root, struct resource *old,
+static int reallocate_resource(struct resource *root, struct resource *old,
                         resource_size_t newsize,
                         struct resource_constraint  *constraint)
 {
diff --git a/kernel/sched/stats.c b/kernel/sched/stats.c
index da98af347e8b..a476bea17fbc 100644
--- a/kernel/sched/stats.c
+++ b/kernel/sched/stats.c
@@ -142,4 +142,4 @@ static int __init proc_schedstat_init(void)
         proc_create("schedstat", 0, NULL, &proc_schedstat_operations);
         return 0;
 }
-module_init(proc_schedstat_init);
+subsys_initcall(proc_schedstat_init);
diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c
index 7078052284fd..bc8d1b74a6b9 100644
--- a/kernel/sys_ni.c
+++ b/kernel/sys_ni.c
@@ -146,11 +146,13 @@ cond_syscall(sys_io_destroy);
 cond_syscall(sys_io_submit);
 cond_syscall(sys_io_cancel);
 cond_syscall(sys_io_getevents);
+cond_syscall(sys_sysfs);
 cond_syscall(sys_syslog);
 cond_syscall(sys_process_vm_readv);
 cond_syscall(sys_process_vm_writev);
 cond_syscall(compat_sys_process_vm_readv);
 cond_syscall(compat_sys_process_vm_writev);
+cond_syscall(sys_uselib);
 
 /* arch-specific weak syscall entries */
 cond_syscall(sys_pciconfig_read);
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 09d2e2413605..5c14b547882e 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -123,7 +123,7 @@ static int __maybe_unused neg_one = -1;
 static int zero;
 static int __maybe_unused one = 1;
 static int __maybe_unused two = 2;
-static int __maybe_unused three = 3;
+static int __maybe_unused four = 4;
 static unsigned long one_ul = 1;
 static int one_hundred = 100;
 #ifdef CONFIG_PRINTK
@@ -1264,7 +1264,7 @@ static struct ctl_table vm_table[] = {
                 .mode           = 0644,
                 .proc_handler   = drop_caches_sysctl_handler,
                 .extra1         = &one,
-                .extra2         = &three,
+                .extra2         = &four,
         },
 #ifdef CONFIG_COMPACTION
         {
diff --git a/kernel/user.c b/kernel/user.c
index c006131beb77..294fc6a94168 100644
--- a/kernel/user.c
+++ b/kernel/user.c
@@ -222,5 +222,4 @@ static int __init uid_cache_init(void)
 
         return 0;
 }
-
-module_init(uid_cache_init);
+subsys_initcall(uid_cache_init);
diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c
index dd06439b9c84..0d8f6023fd8d 100644
--- a/kernel/user_namespace.c
+++ b/kernel/user_namespace.c
@@ -902,4 +902,4 @@ static __init int user_namespaces_init(void)
         user_ns_cachep = KMEM_CACHE(user_namespace, SLAB_PANIC);
         return 0;
 }
-module_init(user_namespaces_init);
+subsys_initcall(user_namespaces_init);
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 01c6f979486f..e90089fd78e0 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -158,14 +158,14 @@ void touch_all_softlockup_watchdogs(void)
 #ifdef CONFIG_HARDLOCKUP_DETECTOR
 void touch_nmi_watchdog(void)
 {
-        if (watchdog_user_enabled) {
-                unsigned cpu;
-
-                for_each_present_cpu(cpu) {
-                        if (per_cpu(watchdog_nmi_touch, cpu) != true)
-                                per_cpu(watchdog_nmi_touch, cpu) = true;
-                }
-        }
+        /*
+         * Using __raw here because some code paths have
+         * preemption enabled.  If preemption is enabled
+         * then interrupts should be enabled too, in which
+         * case we shouldn't have to worry about the watchdog
+         * going off.
+         */
+        __raw_get_cpu_var(watchdog_nmi_touch) = true;
         touch_softlockup_watchdog();
 }
 EXPORT_SYMBOL(touch_nmi_watchdog);