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   2011-03-28 17:18:35.142293910 +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 +2711,16 @@ 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 +}
  25 +EXPORT_SYMBOL_GPL(shmem_set_file);
  26 +
  27  /**
  28   * shmem_file_setup - get an unlinked file living in tmpfs
  29   * @name: name for dentry (to be seen in /proc/<pid>/maps
  30 @@ -2787,10 +2798,7 @@ int shmem_zero_setup(struct vm_area_stru
  31         if (IS_ERR(file))
  32                 return PTR_ERR(file);
  33
  34 -       if (vma->vm_file)
  35 -               fput(vma->vm_file);
  36 -       vma->vm_file = file;
  37 -       vma->vm_ops = &shmem_vm_ops;
  38 +       shmem_set_file(vma, file);
  39         vma->vm_flags |= VM_CAN_NONLINEAR;
  40         return 0;
  41  }
  42 Index: linux-2.6.38.2/fs/file.c
  43 ===================================================================
  44 --- linux-2.6.38.2.orig/fs/file.c       2011-03-27 20:37:20.000000000 +0200
  45 +++ linux-2.6.38.2/fs/file.c    2011-03-28 17:18:24.755353654 +0200
  46 @@ -264,6 +264,7 @@ int expand_files(struct files_struct *fi
  47         /* All good, so we try */
  48         return expand_fdtable(files, nr);
  49  }
  50 +EXPORT_SYMBOL_GPL(expand_files);
  51
  52  static int count_open_files(struct fdtable *fdt)
  53  {
  54 Index: linux-2.6.38.2/kernel/exit.c
  55 ===================================================================
  56 --- linux-2.6.38.2.orig/kernel/exit.c   2011-03-27 20:37:20.000000000 +0200
  57 +++ linux-2.6.38.2/kernel/exit.c        2011-03-28 17:18:24.755353654 +0200
  58 @@ -513,6 +513,7 @@ struct files_struct *get_files_struct(st
  59
  60         return files;
  61  }
  62 +EXPORT_SYMBOL_GPL(get_files_struct);
  63
  64  void put_files_struct(struct files_struct *files)
  65  {
  66 @@ -534,6 +535,7 @@ void put_files_struct(struct files_struc
  67                 rcu_read_unlock();
  68         }
  69  }
  70 +EXPORT_SYMBOL_GPL(put_files_struct);
  71
  72  void reset_files_struct(struct files_struct *files)
  73  {
  74 Index: linux-2.6.38.2/kernel/fork.c
  75 ===================================================================
  76 --- linux-2.6.38.2.orig/kernel/fork.c   2011-03-27 20:37:20.000000000 +0200
  77 +++ linux-2.6.38.2/kernel/fork.c        2011-03-28 17:18:24.755353654 +0200
  78 @@ -193,6 +193,7 @@ void __put_task_struct(struct task_struc
  79         if (!profile_handoff_task(tsk))
  80                 free_task(tsk);
  81  }
  82 +EXPORT_SYMBOL_GPL(__put_task_struct);
  83
  84  /*
  85   * macro override instead of weak attribute alias, to workaround
  86 Index: linux-2.6.38.2/kernel/sched.c
  87 ===================================================================
  88 --- linux-2.6.38.2.orig/kernel/sched.c  2011-03-27 20:37:20.000000000 +0200
  89 +++ linux-2.6.38.2/kernel/sched.c       2011-03-28 17:18:24.757353643 +0200
  90 @@ -4641,6 +4641,7 @@ int can_nice(const struct task_struct *p
  91         return (nice_rlim <= task_rlimit(p, RLIMIT_NICE) ||
  92                 capable(CAP_SYS_NICE));
  93  }
  94 +EXPORT_SYMBOL_GPL(can_nice);
  95
  96  #ifdef __ARCH_WANT_SYS_NICE
  97
  98 Index: linux-2.6.38.2/mm/memory.c
  99 ===================================================================
 100 --- linux-2.6.38.2.orig/mm/memory.c     2011-03-27 20:37:20.000000000 +0200
 101 +++ linux-2.6.38.2/mm/memory.c  2011-03-28 17:18:24.757353643 +0200
 102 @@ -1229,6 +1229,7 @@ unsigned long zap_page_range(struct vm_a
 103                 tlb_finish_mmu(tlb, address, end);
 104         return end;
 105  }
 106 +EXPORT_SYMBOL_GPL(zap_page_range);
 107
 108  /**
 109   * zap_vma_ptes - remove ptes mapping the vma
 110 @@ -2692,6 +2693,7 @@ int vmtruncate_range(struct inode *inode
 111
 112         return 0;
 113  }
 114 +EXPORT_SYMBOL_GPL(vmtruncate_range);
 115
 116  /*
 117   * We enter with non-exclusive mmap_sem (to exclude vma changes,
 118 Index: linux-2.6.38.2/mm/vmalloc.c
 119 ===================================================================
 120 --- linux-2.6.38.2.orig/mm/vmalloc.c    2011-03-27 20:37:20.000000000 +0200
 121 +++ linux-2.6.38.2/mm/vmalloc.c 2011-03-28 17:18:24.758353638 +0200
 122 @@ -1193,6 +1193,7 @@ void unmap_kernel_range(unsigned long ad
 123         vunmap_page_range(addr, end);
 124         flush_tlb_kernel_range(addr, end);
 125  }
 126 +EXPORT_SYMBOL_GPL(unmap_kernel_range);
 127
 128  int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages)
 129  {
 130 @@ -1308,6 +1309,7 @@ struct vm_struct *get_vm_area(unsigned l
 131         return __get_vm_area_node(size, 1, flags, VMALLOC_START, VMALLOC_END,
 132                                 -1, GFP_KERNEL, __builtin_return_address(0));
 133  }
 134 +EXPORT_SYMBOL_GPL(get_vm_area);
 135
 136  struct vm_struct *get_vm_area_caller(unsigned long size, unsigned long flags,
 137                                 void *caller)
 138 Index: linux-2.6.38.2/include/linux/mm.h
 139 ===================================================================
 140 --- linux-2.6.38.2.orig/include/linux/mm.h      2011-03-27 20:37:20.000000000 +0200
 141 +++ linux-2.6.38.2/include/linux/mm.h   2011-03-28 17:18:24.758353638 +0200
 142 @@ -863,6 +863,7 @@ extern void show_free_areas(void);
 143
 144  int shmem_lock(struct file *file, int lock, struct user_struct *user);
 145  struct file *shmem_file_setup(const char *name, loff_t size, unsigned long flags);
 146 +void shmem_set_file(struct vm_area_struct *vma, struct file *file);
 147  int shmem_zero_setup(struct vm_area_struct *);
 148
 149  #ifndef CONFIG_MMU