target/linux/generic/patches-2.6.32/980-vm_exports.patch

   1 --- a/mm/shmem.c
   2 +++ b/mm/shmem.c
   3 @@ -2608,6 +2608,16 @@ int shmem_lock(struct file *file, int lo
   4
   5  /* common code */
   6
   7 +void shmem_set_file(struct vm_area_struct *vma, struct file *file)
   8 +{
   9 +       ima_counts_get(file);
  10 +       if (vma->vm_file)
  11 +               fput(vma->vm_file);
  12 +       vma->vm_file = file;
  13 +       vma->vm_ops = &shmem_vm_ops;
  14 +}
  15 +EXPORT_SYMBOL_GPL(shmem_set_file);
  16 +
  17  /**
  18   * shmem_file_setup - get an unlinked file living in tmpfs
  19   * @name: name for dentry (to be seen in /proc/<pid>/maps
  20 @@ -2687,9 +2697,6 @@ int shmem_zero_setup(struct vm_area_stru
  21         if (IS_ERR(file))
  22                 return PTR_ERR(file);
  23
  24 -       if (vma->vm_file)
  25 -               fput(vma->vm_file);
  26 -       vma->vm_file = file;
  27 -       vma->vm_ops = &shmem_vm_ops;
  28 +       shmem_set_file(vma, file);
  29         return 0;
  30  }
  31 --- a/fs/file.c
  32 +++ b/fs/file.c
  33 @@ -271,6 +271,7 @@ int expand_files(struct files_struct *fi
  34         /* All good, so we try */
  35         return expand_fdtable(files, nr);
  36  }
  37 +EXPORT_SYMBOL_GPL(expand_files);
  38
  39  static int count_open_files(struct fdtable *fdt)
  40  {
  41 --- a/kernel/exit.c
  42 +++ b/kernel/exit.c
  43 @@ -507,6 +507,7 @@ struct files_struct *get_files_struct(st
  44
  45         return files;
  46  }
  47 +EXPORT_SYMBOL_GPL(get_files_struct);
  48
  49  void put_files_struct(struct files_struct *files)
  50  {
  51 @@ -526,6 +527,7 @@ void put_files_struct(struct files_struc
  52                 free_fdtable(fdt);
  53         }
  54  }
  55 +EXPORT_SYMBOL_GPL(put_files_struct);
  56
  57  void reset_files_struct(struct files_struct *files)
  58  {
  59 --- a/kernel/fork.c
  60 +++ b/kernel/fork.c
  61 @@ -168,6 +168,7 @@ void __put_task_struct(struct task_struc
  62         if (!profile_handoff_task(tsk))
  63                 free_task(tsk);
  64  }
  65 +EXPORT_SYMBOL_GPL(__put_task_struct);
  66
  67  /*
  68   * macro override instead of weak attribute alias, to workaround
  69 --- a/kernel/sched.c
  70 +++ b/kernel/sched.c
  71 @@ -6223,6 +6223,7 @@ int can_nice(const struct task_struct *p
  72         return (nice_rlim <= p->signal->rlim[RLIMIT_NICE].rlim_cur ||
  73                 capable(CAP_SYS_NICE));
  74  }
  75 +EXPORT_SYMBOL_GPL(can_nice);
  76
  77  #ifdef __ARCH_WANT_SYS_NICE
  78
  79 --- a/mm/memory.c
  80 +++ b/mm/memory.c
  81 @@ -1100,6 +1100,7 @@ unsigned long zap_page_range(struct vm_a
  82                 tlb_finish_mmu(tlb, address, end);
  83         return end;
  84  }
  85 +EXPORT_SYMBOL_GPL(zap_page_range);
  86
  87  /**
  88   * zap_vma_ptes - remove ptes mapping the vma
  89 @@ -2496,6 +2497,7 @@ int vmtruncate_range(struct inode *inode
  90
  91         return 0;
  92  }
  93 +EXPORT_SYMBOL_GPL(vmtruncate_range);
  94
  95  /*
  96   * We enter with non-exclusive mmap_sem (to exclude vma changes,
  97 --- a/mm/vmalloc.c
  98 +++ b/mm/vmalloc.c
  99 @@ -1181,6 +1181,7 @@ void unmap_kernel_range(unsigned long ad
 100         vunmap_page_range(addr, end);
 101         flush_tlb_kernel_range(addr, end);
 102  }
 103 +EXPORT_SYMBOL_GPL(unmap_kernel_range);
 104
 105  int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages)
 106  {
 107 @@ -1296,6 +1297,7 @@ struct vm_struct *get_vm_area(unsigned l
 108         return __get_vm_area_node(size, 1, flags, VMALLOC_START, VMALLOC_END,
 109                                 -1, GFP_KERNEL, __builtin_return_address(0));
 110  }
 111 +EXPORT_SYMBOL_GPL(get_vm_area);
 112
 113  struct vm_struct *get_vm_area_caller(unsigned long size, unsigned long flags,
 114                                 void *caller)
 115 --- a/include/linux/mm.h
 116 +++ b/include/linux/mm.h
 117 @@ -717,6 +717,7 @@ extern void show_free_areas(void);
 118
 119  int shmem_lock(struct file *file, int lock, struct user_struct *user);
 120  struct file *shmem_file_setup(const char *name, loff_t size, unsigned long flags);
 121 +void shmem_set_file(struct vm_area_struct *vma, struct file *file);
 122  int shmem_zero_setup(struct vm_area_struct *);
 123
 124  #ifndef CONFIG_MMU
 125 --- a/kernel/signal.c
 126 +++ b/kernel/signal.c
 127 @@ -1072,6 +1072,7 @@ struct sighand_struct *lock_task_sighand
 128
 129         return sighand;
 130  }
 131 +EXPORT_SYMBOL(lock_task_sighand);
 132
 133  /*
 134   * send signal info to all the members of a group