target/linux/generic/patches-2.6.31/980-vm_exports.patch

   1 --- a/mm/shmem.c
   2 +++ b/mm/shmem.c
   3 @@ -2602,6 +2602,16 @@ int shmem_unuse(swp_entry_t entry, struc
   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 @@ -2681,10 +2691,7 @@ 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
  32 --- a/fs/file.c
  33 +++ b/fs/file.c
  34 @@ -270,6 +270,7 @@ int expand_files(struct files_struct *fi
  35         /* All good, so we try */
  36         return expand_fdtable(files, nr);
  37  }
  38 +EXPORT_SYMBOL_GPL(expand_files);
  39
  40  static int count_open_files(struct fdtable *fdt)
  41  {
  42 --- a/kernel/exit.c
  43 +++ b/kernel/exit.c
  44 @@ -507,6 +507,7 @@ struct files_struct *get_files_struct(st
  45
  46         return files;
  47  }
  48 +EXPORT_SYMBOL_GPL(get_files_struct);
  49
  50  void put_files_struct(struct files_struct *files)
  51  {
  52 @@ -526,6 +527,7 @@ void put_files_struct(struct files_struc
  53                 free_fdtable(fdt);
  54         }
  55  }
  56 +EXPORT_SYMBOL_GPL(put_files_struct);
  57
  58  void reset_files_struct(struct files_struct *files)
  59  {
  60 --- a/kernel/fork.c
  61 +++ b/kernel/fork.c
  62 @@ -159,6 +159,7 @@ void __put_task_struct(struct task_struc
  63         if (!profile_handoff_task(tsk))
  64                 free_task(tsk);
  65  }
  66 +EXPORT_SYMBOL_GPL(__put_task_struct);
  67
  68  /*
  69   * macro override instead of weak attribute alias, to workaround
  70 --- a/kernel/sched.c
  71 +++ b/kernel/sched.c
  72 @@ -5981,6 +5981,7 @@ int can_nice(const struct task_struct *p
  73         return (nice_rlim <= p->signal->rlim[RLIMIT_NICE].rlim_cur ||
  74                 capable(CAP_SYS_NICE));
  75  }
  76 +EXPORT_SYMBOL_GPL(can_nice);
  77
  78  #ifdef __ARCH_WANT_SYS_NICE
  79
  80 --- a/mm/memory.c
  81 +++ b/mm/memory.c
  82 @@ -1064,6 +1064,7 @@ unsigned long zap_page_range(struct vm_a
  83                 tlb_finish_mmu(tlb, address, end);
  84         return end;
  85  }
  86 +EXPORT_SYMBOL_GPL(zap_page_range);
  87
  88  /**
  89   * zap_vma_ptes - remove ptes mapping the vma
  90 @@ -2490,6 +2491,7 @@ int vmtruncate_range(struct inode *inode
  91
  92         return 0;
  93  }
  94 +EXPORT_SYMBOL_GPL(vmtruncate_range);
  95
  96  /*
  97   * We enter with non-exclusive mmap_sem (to exclude vma changes,
  98 --- a/mm/vmalloc.c
  99 +++ b/mm/vmalloc.c
 100 @@ -1101,6 +1101,7 @@ void unmap_kernel_range(unsigned long ad
 101         vunmap_page_range(addr, end);
 102         flush_tlb_kernel_range(addr, end);
 103  }
 104 +EXPORT_SYMBOL_GPL(unmap_kernel_range);
 105
 106  int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages)
 107  {
 108 @@ -1214,6 +1215,7 @@ struct vm_struct *get_vm_area(unsigned l
 109         return __get_vm_area_node(size, flags, VMALLOC_START, VMALLOC_END,
 110                                 -1, GFP_KERNEL, __builtin_return_address(0));
 111  }
 112 +EXPORT_SYMBOL_GPL(get_vm_area);
 113
 114  struct vm_struct *get_vm_area_caller(unsigned long size, unsigned long flags,
 115                                 void *caller)
 116 --- a/include/linux/mm.h
 117 +++ b/include/linux/mm.h
 118 @@ -711,6 +711,7 @@ static inline int shmem_lock(struct file
 119  #endif
 120  struct file *shmem_file_setup(const char *name, loff_t size, unsigned long flags);
 121
 122 +void shmem_set_file(struct vm_area_struct *vma, struct file *file);
 123  int shmem_zero_setup(struct vm_area_struct *);
 124
 125  #ifndef CONFIG_MMU
 126 --- a/kernel/signal.c
 127 +++ b/kernel/signal.c
 128 @@ -1062,6 +1062,7 @@ struct sighand_struct *lock_task_sighand
 129
 130         return sighand;
 131  }
 132 +EXPORT_SYMBOL(lock_task_sighand);
 133
 134  /*
 135   * send signal info to all the members of a group