Merge branch 'akpm' (patches from Andrew Morton)

Merge first patch-bomb from Andrew Morton:
 "Quite a lot of other stuff is banked up awaiting further
  next->mainline merging, but this batch contains:

   - Lots of random misc patches
   - OCFS2
   - Most of MM
   - backlight updates
   - lib/ updates
   - printk updates
   - checkpatch updates
   - epoll tweaking
   - rtc updates
   - hfs
   - hfsplus
   - documentation
   - procfs
   - update gcov to gcc-4.7 format
   - IPC"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (269 commits)
  ipc, msg: fix message length check for negative values
  ipc/util.c: remove unnecessary work pending test
  devpts: plug the memory leak in kill_sb
  ./Makefile: export initial ramdisk compression config option
  init/Kconfig: add option to disable kernel compression
  drivers: w1: make w1_slave::flags long to avoid memory corruption
  drivers/w1/masters/ds1wm.cuse dev_get_platdata()
  drivers/memstick/core/ms_block.c: fix unreachable state in h_msb_read_page()
  drivers/memstick/core/mspro_block.c: fix attributes array allocation
  drivers/pps/clients/pps-gpio.c: remove redundant of_match_ptr
  kernel/panic.c: reduce 1 byte usage for print tainted buffer
  gcov: reuse kbasename helper
  kernel/gcov/fs.c: use pr_warn()
  kernel/module.c: use pr_foo()
  gcov: compile specific gcov implementation based on gcc version
  gcov: add support for gcc 4.7 gcov format
  gcov: move gcov structs definitions to a gcc version specific file
  kernel/taskstats.c: return -ENOMEM when alloc memory fails in add_del_listener()
  kernel/taskstats.c: add nla_nest_cancel() for failure processing between nla_nest_start() and nla_nest_end()
  kernel/sysctl_binary.c: use scnprintf() instead of snprintf()
  ...

5 files changed, 25 insertions, 20 deletions

diff --git a/fs/proc/Kconfig b/fs/proc/Kconfig
index 15af6222f8a4..2183fcf41d59 100644
--- a/fs/proc/Kconfig
+++ b/fs/proc/Kconfig
@@ -31,6 +31,10 @@ config PROC_FS
 config PROC_KCORE
         bool "/proc/kcore support" if !ARM
         depends on PROC_FS && MMU
+        help
+          Provides a virtual ELF core file of the live kernel.  This can
+          be read with gdb and other ELF tools.  No modifications can be
+          made using this mechanism.
 
 config PROC_VMCORE
         bool "/proc/vmcore support"
diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index 8eaa1ba793fc..28955d4b7218 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -285,19 +285,23 @@ static int proc_reg_mmap(struct file *file, struct vm_area_struct *vma)
         return rv;
 }
 
-static unsigned long proc_reg_get_unmapped_area(struct file *file, unsigned long orig_addr, unsigned long len, unsigned long pgoff, unsigned long flags)
+static unsigned long
+proc_reg_get_unmapped_area(struct file *file, unsigned long orig_addr,
+                           unsigned long len, unsigned long pgoff,
+                           unsigned long flags)
 {
         struct proc_dir_entry *pde = PDE(file_inode(file));
         unsigned long rv = -EIO;
-        unsigned long (*get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long) = NULL;
+        unsigned long (*get_area)(struct file *, unsigned long, unsigned long,
+                                  unsigned long, unsigned long) = NULL;
         if (use_pde(pde)) {
 #ifdef CONFIG_MMU
-                get_unmapped_area = current->mm->get_unmapped_area;
+                get_area = current->mm->get_unmapped_area;
 #endif
                 if (pde->proc_fops->get_unmapped_area)
-                        get_unmapped_area = pde->proc_fops->get_unmapped_area;
-                if (get_unmapped_area)
-                        rv = get_unmapped_area(file, orig_addr, len, pgoff, flags);
+                        get_area = pde->proc_fops->get_unmapped_area;
+                if (get_area)
+                        rv = get_area(file, orig_addr, len, pgoff, flags);
                 unuse_pde(pde);
         }
         return rv;
diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c
index 06ea155e1a59..5ed0e52d6aa0 100644
--- a/fs/proc/kcore.c
+++ b/fs/proc/kcore.c
@@ -255,8 +255,7 @@ static int kcore_update_ram(void)
         end_pfn = 0;
         for_each_node_state(nid, N_MEMORY) {
                 unsigned long node_end;
-                node_end  = NODE_DATA(nid)->node_start_pfn +
-                        NODE_DATA(nid)->node_spanned_pages;
+                node_end = node_end_pfn(nid);
                 if (end_pfn < node_end)
                         end_pfn = node_end;
         }
diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
index 59d85d608898..c805d5b69ba1 100644
--- a/fs/proc/meminfo.c
+++ b/fs/proc/meminfo.c
@@ -24,7 +24,6 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
 {
         struct sysinfo i;
         unsigned long committed;
-        unsigned long allowed;
         struct vmalloc_info vmi;
         long cached;
         unsigned long pages[NR_LRU_LISTS];
@@ -37,8 +36,6 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
         si_meminfo(&i);
         si_swapinfo(&i);
         committed = percpu_counter_read_positive(&vm_committed_as);
-        allowed = ((totalram_pages - hugetlb_total_pages())
-                * sysctl_overcommit_ratio / 100) + total_swap_pages;
 
         cached = global_page_state(NR_FILE_PAGES) -
                         total_swapcache_pages() - i.bufferram;
@@ -147,7 +144,7 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
                 K(global_page_state(NR_UNSTABLE_NFS)),
                 K(global_page_state(NR_BOUNCE)),
                 K(global_page_state(NR_WRITEBACK_TEMP)),
-                K(allowed),
+                K(vm_commit_limit()),
                 K(committed),
                 (unsigned long)VMALLOC_TOTAL >> 10,
                 vmi.used >> 10,
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 390bdab01c3c..abbe825d20ff 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -561,6 +561,9 @@ static void show_smap_vma_flags(struct seq_file *m, struct vm_area_struct *vma)
                 [ilog2(VM_NONLINEAR)]   = "nl",
                 [ilog2(VM_ARCH_1)]      = "ar",
                 [ilog2(VM_DONTDUMP)]    = "dd",
+#ifdef CONFIG_MEM_SOFT_DIRTY
+                [ilog2(VM_SOFTDIRTY)]   = "sd",
+#endif
                 [ilog2(VM_MIXEDMAP)]    = "mm",
                 [ilog2(VM_HUGEPAGE)]    = "hg",
                 [ilog2(VM_NOHUGEPAGE)]  = "nh",
@@ -1387,8 +1390,8 @@ static int show_numa_map(struct seq_file *m, void *v, int is_pid)
         struct mm_struct *mm = vma->vm_mm;
         struct mm_walk walk = {};
         struct mempolicy *pol;
-        int n;
-        char buffer[50];
+        char buffer[64];
+        int nid;
 
         if (!mm)
                 return 0;
@@ -1404,10 +1407,8 @@ static int show_numa_map(struct seq_file *m, void *v, int is_pid)
         walk.mm = mm;
 
         pol = get_vma_policy(task, vma, vma->vm_start);
-        n = mpol_to_str(buffer, sizeof(buffer), pol);
+        mpol_to_str(buffer, sizeof(buffer), pol);
         mpol_cond_put(pol);
-        if (n < 0)
-                return n;
 
         seq_printf(m, "%08lx %s", vma->vm_start, buffer);
 
@@ -1460,9 +1461,9 @@ static int show_numa_map(struct seq_file *m, void *v, int is_pid)
         if (md->writeback)
                 seq_printf(m, " writeback=%lu", md->writeback);
 
-        for_each_node_state(n, N_MEMORY)
-                if (md->node[n])
-                        seq_printf(m, " N%d=%lu", n, md->node[n]);
+        for_each_node_state(nid, N_MEMORY)
+                if (md->node[nid])
+                        seq_printf(m, " N%d=%lu", nid, md->node[nid]);
 out:
         seq_putc(m, '\n');