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 18:23:12.296417197 +0200
   5 @@ -30,6 +30,7 @@
   6  #include <linux/module.h>
   7  #include <linux/percpu_counter.h>
   8  #include <linux/swap.h>
   9 +#include <linux/ima.h>
  10
  11  static struct vfsmount *shm_mnt;
  12
  13 @@ -2710,6 +2711,17 @@ out:
  14
  15  /* common code */
  16
  17 +void shmem_set_file(struct vm_area_struct *vma, struct file *file)
  18 +{
  19 +       ima_counts_get(file);
  20 +       if (vma->vm_file)
  21 +               fput(vma->vm_file);
  22 +       vma->vm_file = file;
  23 +       vma->vm_ops = &shmem_vm_ops;
  24 +       vma->vm_flags |= VM_CAN_NONLINEAR;
  25 +}
  26 +EXPORT_SYMBOL_GPL(shmem_set_file);
  27 +
  28  /**
  29   * shmem_file_setup - get an unlinked file living in tmpfs
  30   * @name: name for dentry (to be seen in /proc/<pid>/maps
  31 @@ -2787,10 +2799,7 @@ int shmem_zero_setup(struct vm_area_stru
  32         if (IS_ERR(file))
  33                 return PTR_ERR(file);
  34
  35 -       if (vma->vm_file)
  36 -               fput(vma->vm_file);
  37 -       vma->vm_file = file;
  38 -       vma->vm_ops = &shmem_vm_ops;
  39 -       vma->vm_flags |= VM_CAN_NONLINEAR;
  40 +       shmem_set_file(vma, file);
  41 +
  42         return 0;
  43  }
  44 Index: linux-2.6.38.2/fs/file.c
  45 ===================================================================
  46 --- linux-2.6.38.2.orig/fs/file.c       2011-03-27 20:37:20.000000000 +0200
  47 +++ linux-2.6.38.2/fs/file.c    2011-03-28 22:44:57.267151662 +0200
  48 @@ -264,6 +264,7 @@ int expand_files(struct files_struct *fi
  49         /* All good, so we try */
  50         return expand_fdtable(files, nr);
  51  }
  52 +EXPORT_SYMBOL_GPL(expand_files);
  53
  54  static int count_open_files(struct fdtable *fdt)
  55  {
  56 Index: linux-2.6.38.2/kernel/exit.c
  57 ===================================================================
  58 --- linux-2.6.38.2.orig/kernel/exit.c   2011-03-27 20:37:20.000000000 +0200
  59 +++ linux-2.6.38.2/kernel/exit.c        2011-03-28 22:44:57.269151650 +0200
  60 @@ -513,6 +513,7 @@ struct files_struct *get_files_struct(st
  61
  62         return files;
  63  }
  64 +EXPORT_SYMBOL_GPL(get_files_struct);
  65
  66  void put_files_struct(struct files_struct *files)
  67  {
  68 @@ -534,6 +535,7 @@ void put_files_struct(struct files_struc
  69                 rcu_read_unlock();
  70         }
  71  }
  72 +EXPORT_SYMBOL_GPL(put_files_struct);
  73
  74  void reset_files_struct(struct files_struct *files)
  75  {
  76 Index: linux-2.6.38.2/kernel/fork.c
  77 ===================================================================
  78 --- linux-2.6.38.2.orig/kernel/fork.c   2011-03-27 20:37:20.000000000 +0200
  79 +++ linux-2.6.38.2/kernel/fork.c        2011-03-28 22:44:57.270151644 +0200
  80 @@ -193,6 +193,7 @@ void __put_task_struct(struct task_struc
  81         if (!profile_handoff_task(tsk))
  82                 free_task(tsk);
  83  }
  84 +EXPORT_SYMBOL_GPL(__put_task_struct);
  85
  86  /*
  87   * macro override instead of weak attribute alias, to workaround
  88 Index: linux-2.6.38.2/kernel/sched.c
  89 ===================================================================
  90 --- linux-2.6.38.2.orig/kernel/sched.c  2011-03-27 20:37:20.000000000 +0200
  91 +++ linux-2.6.38.2/kernel/sched.c       2011-03-28 22:44:57.274151620 +0200
  92 @@ -4641,6 +4641,7 @@ int can_nice(const struct task_struct *p
  93         return (nice_rlim <= task_rlimit(p, RLIMIT_NICE) ||
  94                 capable(CAP_SYS_NICE));
  95  }
  96 +EXPORT_SYMBOL_GPL(can_nice);
  97
  98  #ifdef __ARCH_WANT_SYS_NICE
  99
 100 Index: linux-2.6.38.2/mm/memory.c
 101 ===================================================================
 102 --- linux-2.6.38.2.orig/mm/memory.c     2011-03-27 20:37:20.000000000 +0200
 103 +++ linux-2.6.38.2/mm/memory.c  2011-03-28 22:44:57.277151603 +0200
 104 @@ -1229,6 +1229,7 @@ unsigned long zap_page_range(struct vm_a
 105                 tlb_finish_mmu(tlb, address, end);
 106         return end;
 107  }
 108 +EXPORT_SYMBOL_GPL(zap_page_range);
 109
 110  /**
 111   * zap_vma_ptes - remove ptes mapping the vma
 112 @@ -2692,6 +2693,7 @@ int vmtruncate_range(struct inode *inode
 113
 114         return 0;
 115  }
 116 +EXPORT_SYMBOL_GPL(vmtruncate_range);
 117
 118  /*
 119   * We enter with non-exclusive mmap_sem (to exclude vma changes,
 120 Index: linux-2.6.38.2/mm/vmalloc.c
 121 ===================================================================
 122 --- linux-2.6.38.2.orig/mm/vmalloc.c    2011-03-27 20:37:20.000000000 +0200
 123 +++ linux-2.6.38.2/mm/vmalloc.c 2011-03-28 22:44:57.278151598 +0200
 124 @@ -1193,6 +1193,7 @@ void unmap_kernel_range(unsigned long ad
 125         vunmap_page_range(addr, end);
 126         flush_tlb_kernel_range(addr, end);
 127  }
 128 +EXPORT_SYMBOL_GPL(unmap_kernel_range);
 129
 130  int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages)
 131  {
 132 @@ -1308,6 +1309,7 @@ struct vm_struct *get_vm_area(unsigned l
 133         return __get_vm_area_node(size, 1, flags, VMALLOC_START, VMALLOC_END,
 134                                 -1, GFP_KERNEL, __builtin_return_address(0));
 135  }
 136 +EXPORT_SYMBOL_GPL(get_vm_area);
 137
 138  struct vm_struct *get_vm_area_caller(unsigned long size, unsigned long flags,
 139                                 void *caller)
 140 Index: linux-2.6.38.2/include/linux/mm.h
 141 ===================================================================
 142 --- linux-2.6.38.2.orig/include/linux/mm.h      2011-03-27 20:37:20.000000000 +0200
 143 +++ linux-2.6.38.2/include/linux/mm.h   2011-03-28 22:44:57.279151592 +0200
 144 @@ -863,6 +863,7 @@ extern void show_free_areas(void);
 145
 146  int shmem_lock(struct file *file, int lock, struct user_struct *user);
 147  struct file *shmem_file_setup(const char *name, loff_t size, unsigned long flags);
 148 +void shmem_set_file(struct vm_area_struct *vma, struct file *file);
 149  int shmem_zero_setup(struct vm_area_struct *);
 150
 151  #ifndef CONFIG_MMU