target/linux/generic-2.6/patches-2.6.28/980-vm_exports.patch

   1 --- a/mm/shmem.c
   2 +++ b/mm/shmem.c
   3 @@ -2480,6 +2480,15 @@ static int shmem_get_sb(struct file_syst
   4         return get_sb_nodev(fs_type, flags, data, shmem_fill_super, mnt);
   5  }
   6
   7 +void shmem_set_file(struct vm_area_struct *vma, struct file *file)
   8 +{
   9 +       if (vma->vm_file)
  10 +               fput(vma->vm_file);
  11 +       vma->vm_file = file;
  12 +       vma->vm_ops = &shmem_vm_ops;
  13 +}
  14 +EXPORT_SYMBOL_GPL(shmem_set_file);
  15 +
  16  static struct file_system_type tmpfs_fs_type = {
  17         .owner          = THIS_MODULE,
  18         .name           = "tmpfs",
  19 @@ -2600,9 +2609,6 @@ int shmem_zero_setup(struct vm_area_stru
  20         if (IS_ERR(file))
  21                 return PTR_ERR(file);
  22
  23 -       if (vma->vm_file)
  24 -               fput(vma->vm_file);
  25 -       vma->vm_file = file;
  26 -       vma->vm_ops = &shmem_vm_ops;
  27 +       shmem_set_file(vma, vma->vm_file);
  28         return 0;
  29  }
  30 --- a/fs/file.c
  31 +++ b/fs/file.c
  32 @@ -270,6 +270,7 @@ int expand_files(struct files_struct *fi
  33         /* All good, so we try */
  34         return expand_fdtable(files, nr);
  35  }
  36 +EXPORT_SYMBOL_GPL(expand_files);
  37
  38  static int count_open_files(struct fdtable *fdt)
  39  {
  40 --- a/kernel/exit.c
  41 +++ b/kernel/exit.c
  42 @@ -509,6 +509,7 @@ struct files_struct *get_files_struct(st
  43
  44         return files;
  45  }
  46 +EXPORT_SYMBOL_GPL(get_files_struct);
  47
  48  void put_files_struct(struct files_struct *files)
  49  {
  50 @@ -528,6 +529,7 @@ void put_files_struct(struct files_struc
  51                 free_fdtable(fdt);
  52         }
  53  }
  54 +EXPORT_SYMBOL_GPL(put_files_struct);
  55
  56  void reset_files_struct(struct files_struct *files)
  57  {
  58 --- a/kernel/fork.c
  59 +++ b/kernel/fork.c
  60 @@ -155,6 +155,7 @@ void __put_task_struct(struct task_struc
  61         if (!profile_handoff_task(tsk))
  62                 free_task(tsk);
  63  }
  64 +EXPORT_SYMBOL_GPL(__put_task_struct);
  65
  66  /*
  67   * macro override instead of weak attribute alias, to workaround
  68 --- a/kernel/sched.c
  69 +++ b/kernel/sched.c
  70 @@ -5015,6 +5015,7 @@ int can_nice(const struct task_struct *p
  71         return (nice_rlim <= p->signal->rlim[RLIMIT_NICE].rlim_cur ||
  72                 capable(CAP_SYS_NICE));
  73  }
  74 +EXPORT_SYMBOL_GPL(can_nice);
  75
  76  #ifdef __ARCH_WANT_SYS_NICE
  77
  78 --- a/mm/memory.c
  79 +++ b/mm/memory.c
  80 @@ -993,6 +993,7 @@ unsigned long zap_page_range(struct vm_a
  81                 tlb_finish_mmu(tlb, address, end);
  82         return end;
  83  }
  84 +EXPORT_SYMBOL_GPL(zap_page_range);
  85
  86  /**
  87   * zap_vma_ptes - remove ptes mapping the vma
  88 @@ -2271,6 +2272,7 @@ int vmtruncate_range(struct inode *inode
  89
  90         return 0;
  91  }
  92 +EXPORT_SYMBOL_GPL(vmtruncate_range);
  93
  94  /*
  95   * We enter with non-exclusive mmap_sem (to exclude vma changes,
  96 --- a/mm/vmalloc.c
  97 +++ b/mm/vmalloc.c
  98 @@ -992,6 +992,7 @@ void unmap_kernel_range(unsigned long ad
  99         vunmap_page_range(addr, end);
 100         flush_tlb_kernel_range(addr, end);
 101  }
 102 +EXPORT_SYMBOL_GPL(unmap_kernel_range);
 103
 104  int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages)
 105  {
 106 @@ -1097,6 +1098,7 @@ struct vm_struct *get_vm_area(unsigned l
 107         return __get_vm_area_node(size, flags, VMALLOC_START, VMALLOC_END,
 108                                 -1, GFP_KERNEL, __builtin_return_address(0));
 109  }
 110 +EXPORT_SYMBOL_GPL(get_vm_area);
 111
 112  struct vm_struct *get_vm_area_caller(unsigned long size, unsigned long flags,
 113                                 void *caller)