target/linux/generic/patches-2.6.38/980-vm_exports.patch

   1 Index: linux-2.6.38.2/mm/shmem.c
   2 ===================================================================
   3 --- linux-2.6.38.2.orig/mm/shmem.c      2011-03-27 20:37:20.000000000 +0200
   4 +++ linux-2.6.38.2/mm/shmem.c   2011-03-30 18:44:41.068346925 +0200
   5 @@ -2710,6 +2710,16 @@ out:
   6
   7  /* common code */
   8
   9 +void shmem_set_file(struct vm_area_struct *vma, struct file *file)
  10 +{
  11 +       if (vma->vm_file)
  12 +               fput(vma->vm_file);
  13 +       vma->vm_file = file;
  14 +       vma->vm_ops = &shmem_vm_ops;
  15 +       vma->vm_flags |= VM_CAN_NONLINEAR;
  16 +}
  17 +EXPORT_SYMBOL_GPL(shmem_set_file);
  18 +
  19  /**
  20   * shmem_file_setup - get an unlinked file living in tmpfs
  21   * @name: name for dentry (to be seen in /proc/<pid>/maps
  22 @@ -2787,10 +2797,7 @@ int shmem_zero_setup(struct vm_area_stru
  23         if (IS_ERR(file))
  24                 return PTR_ERR(file);
  25
  26 -       if (vma->vm_file)
  27 -               fput(vma->vm_file);
  28 -       vma->vm_file = file;
  29 -       vma->vm_ops = &shmem_vm_ops;
  30 -       vma->vm_flags |= VM_CAN_NONLINEAR;
  31 +       shmem_set_file(vma, file);
  32 +
  33         return 0;
  34  }
  35 Index: linux-2.6.38.2/fs/file.c
  36 ===================================================================
  37 --- linux-2.6.38.2.orig/fs/file.c       2011-03-27 20:37:20.000000000 +0200
  38 +++ linux-2.6.38.2/fs/file.c    2011-03-28 22:44:57.267151662 +0200
  39 @@ -264,6 +264,7 @@ int expand_files(struct files_struct *fi
  40         /* All good, so we try */
  41         return expand_fdtable(files, nr);
  42  }
  43 +EXPORT_SYMBOL_GPL(expand_files);
  44
  45  static int count_open_files(struct fdtable *fdt)
  46  {
  47 Index: linux-2.6.38.2/kernel/exit.c
  48 ===================================================================
  49 --- linux-2.6.38.2.orig/kernel/exit.c   2011-03-27 20:37:20.000000000 +0200
  50 +++ linux-2.6.38.2/kernel/exit.c        2011-03-28 22:44:57.269151650 +0200
  51 @@ -513,6 +513,7 @@ struct files_struct *get_files_struct(st
  52
  53         return files;
  54  }
  55 +EXPORT_SYMBOL_GPL(get_files_struct);
  56
  57  void put_files_struct(struct files_struct *files)
  58  {
  59 @@ -534,6 +535,7 @@ void put_files_struct(struct files_struc
  60                 rcu_read_unlock();
  61         }
  62  }
  63 +EXPORT_SYMBOL_GPL(put_files_struct);
  64
  65  void reset_files_struct(struct files_struct *files)
  66  {
  67 Index: linux-2.6.38.2/kernel/fork.c
  68 ===================================================================
  69 --- linux-2.6.38.2.orig/kernel/fork.c   2011-03-27 20:37:20.000000000 +0200
  70 +++ linux-2.6.38.2/kernel/fork.c        2011-03-28 22:44:57.270151644 +0200
  71 @@ -193,6 +193,7 @@ void __put_task_struct(struct task_struc
  72         if (!profile_handoff_task(tsk))
  73                 free_task(tsk);
  74  }
  75 +EXPORT_SYMBOL_GPL(__put_task_struct);
  76
  77  /*
  78   * macro override instead of weak attribute alias, to workaround
  79 Index: linux-2.6.38.2/kernel/sched.c
  80 ===================================================================
  81 --- linux-2.6.38.2.orig/kernel/sched.c  2011-03-27 20:37:20.000000000 +0200
  82 +++ linux-2.6.38.2/kernel/sched.c       2011-03-28 22:44:57.274151620 +0200
  83 @@ -4641,6 +4641,7 @@ int can_nice(const struct task_struct *p
  84         return (nice_rlim <= task_rlimit(p, RLIMIT_NICE) ||
  85                 capable(CAP_SYS_NICE));
  86  }
  87 +EXPORT_SYMBOL_GPL(can_nice);
  88
  89  #ifdef __ARCH_WANT_SYS_NICE
  90
  91 Index: linux-2.6.38.2/mm/memory.c
  92 ===================================================================
  93 --- linux-2.6.38.2.orig/mm/memory.c     2011-03-27 20:37:20.000000000 +0200
  94 +++ linux-2.6.38.2/mm/memory.c  2011-03-28 22:44:57.277151603 +0200
  95 @@ -1229,6 +1229,7 @@ unsigned long zap_page_range(struct vm_a
  96                 tlb_finish_mmu(tlb, address, end);
  97         return end;
  98  }
  99 +EXPORT_SYMBOL_GPL(zap_page_range);
 100
 101  /**
 102   * zap_vma_ptes - remove ptes mapping the vma
 103 @@ -2692,6 +2693,7 @@ int vmtruncate_range(struct inode *inode
 104
 105         return 0;
 106  }
 107 +EXPORT_SYMBOL_GPL(vmtruncate_range);
 108
 109  /*
 110   * We enter with non-exclusive mmap_sem (to exclude vma changes,
 111 Index: linux-2.6.38.2/mm/vmalloc.c
 112 ===================================================================
 113 --- linux-2.6.38.2.orig/mm/vmalloc.c    2011-03-27 20:37:20.000000000 +0200
 114 +++ linux-2.6.38.2/mm/vmalloc.c 2011-03-28 22:44:57.278151598 +0200
 115 @@ -1193,6 +1193,7 @@ void unmap_kernel_range(unsigned long ad
 116         vunmap_page_range(addr, end);
 117         flush_tlb_kernel_range(addr, end);
 118  }
 119 +EXPORT_SYMBOL_GPL(unmap_kernel_range);
 120
 121  int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages)
 122  {
 123 @@ -1308,6 +1309,7 @@ struct vm_struct *get_vm_area(unsigned l
 124         return __get_vm_area_node(size, 1, flags, VMALLOC_START, VMALLOC_END,
 125                                 -1, GFP_KERNEL, __builtin_return_address(0));
 126  }
 127 +EXPORT_SYMBOL_GPL(get_vm_area);
 128
 129  struct vm_struct *get_vm_area_caller(unsigned long size, unsigned long flags,
 130                                 void *caller)
 131 Index: linux-2.6.38.2/include/linux/mm.h
 132 ===================================================================
 133 --- linux-2.6.38.2.orig/include/linux/mm.h      2011-03-27 20:37:20.000000000 +0200
 134 +++ linux-2.6.38.2/include/linux/mm.h   2011-03-28 22:44:57.279151592 +0200
 135 @@ -863,6 +863,7 @@ extern void show_free_areas(void);
 136
 137  int shmem_lock(struct file *file, int lock, struct user_struct *user);
 138  struct file *shmem_file_setup(const char *name, loff_t size, unsigned long flags);
 139 +void shmem_set_file(struct vm_area_struct *vma, struct file *file);
 140  int shmem_zero_setup(struct vm_area_struct *);
 141
 142  #ifndef CONFIG_MMU