3 @@ -2920,6 +2920,16 @@ EXPORT_SYMBOL_GPL(shmem_truncate_range);
7 +void shmem_set_file(struct vm_area_struct *vma, struct file *file)
11 + vma->vm_file = file;
12 + vma->vm_ops = &shmem_vm_ops;
13 + vma->vm_flags |= VM_CAN_NONLINEAR;
15 +EXPORT_SYMBOL_GPL(shmem_set_file);
18 * shmem_file_setup - get an unlinked file living in tmpfs
19 * @name: name for dentry (to be seen in /proc/<pid>/maps
20 @@ -2997,11 +3007,8 @@ int shmem_zero_setup(struct vm_area_stru
26 - vma->vm_file = file;
27 - vma->vm_ops = &shmem_vm_ops;
28 - vma->vm_flags |= VM_CAN_NONLINEAR;
29 + shmem_set_file(vma, file);
36 @@ -269,6 +269,7 @@ int expand_files(struct files_struct *fi
37 /* All good, so we try */
38 return expand_fdtable(files, nr);
40 +EXPORT_SYMBOL_GPL(expand_files);
42 static int count_open_files(struct fdtable *fdt)
46 @@ -513,6 +513,7 @@ struct files_struct *get_files_struct(st
50 +EXPORT_SYMBOL_GPL(get_files_struct);
52 void put_files_struct(struct files_struct *files)
54 @@ -534,6 +535,7 @@ void put_files_struct(struct files_struc
58 +EXPORT_SYMBOL_GPL(put_files_struct);
60 void reset_files_struct(struct files_struct *files)
62 --- a/kernel/sched/core.c
63 +++ b/kernel/sched/core.c
64 @@ -4106,6 +4106,7 @@ int can_nice(const struct task_struct *p
65 return (nice_rlim <= task_rlimit(p, RLIMIT_NICE) ||
66 capable(CAP_SYS_NICE));
68 +EXPORT_SYMBOL_GPL(can_nice);
70 #ifdef __ARCH_WANT_SYS_NICE
74 @@ -1408,6 +1408,7 @@ void zap_page_range(struct vm_area_struc
75 mmu_notifier_invalidate_range_end(mm, start, end);
76 tlb_finish_mmu(&tlb, start, end);
78 +EXPORT_SYMBOL_GPL(zap_page_range);
81 * zap_page_range_single - remove user pages in a given range
84 @@ -1266,6 +1266,7 @@ void unmap_kernel_range(unsigned long ad
85 vunmap_page_range(addr, end);
86 flush_tlb_kernel_range(addr, end);
88 +EXPORT_SYMBOL_GPL(unmap_kernel_range);
90 int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages)
92 @@ -1403,6 +1404,7 @@ struct vm_struct *get_vm_area(unsigned l
93 return __get_vm_area_node(size, 1, flags, VMALLOC_START, VMALLOC_END,
94 -1, GFP_KERNEL, __builtin_return_address(0));
96 +EXPORT_SYMBOL_GPL(get_vm_area);
98 struct vm_struct *get_vm_area_caller(unsigned long size, unsigned long flags,
100 --- a/include/linux/shmem_fs.h
101 +++ b/include/linux/shmem_fs.h
102 @@ -46,6 +46,8 @@ extern int shmem_init(void);
103 extern int shmem_fill_super(struct super_block *sb, void *data, int silent);
104 extern struct file *shmem_file_setup(const char *name,
105 loff_t size, unsigned long flags);
107 +extern void shmem_set_file(struct vm_area_struct *vma, struct file *file);
108 extern int shmem_zero_setup(struct vm_area_struct *);
109 extern int shmem_lock(struct file *file, int lock, struct user_struct *user);
110 extern void shmem_unlock_mapping(struct address_space *mapping);