kernel: remove the obsolete vm_exports patch

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 43565

target/linux/generic/patches-3.10/950-vm_exports.patch

@@ -1,101 +0,0 @@
---- a/mm/shmem.c
-+++ b/mm/shmem.c
-@@ -2965,6 +2965,15 @@ static struct dentry_operations anon_ops
- 	.d_dname = simple_dname
- };
- 
-+void shmem_set_file(struct vm_area_struct *vma, struct file *file)
-+{
-+	if (vma->vm_file)
-+		fput(vma->vm_file);
-+	vma->vm_file = file;
-+	vma->vm_ops = &shmem_vm_ops;
-+}
-+EXPORT_SYMBOL_GPL(shmem_set_file);
-+
- /**
-  * shmem_file_setup - get an unlinked file living in tmpfs
-  * @name: name for dentry (to be seen in /proc/<pid>/maps
-@@ -3038,11 +3047,8 @@ int shmem_zero_setup(struct vm_area_stru
- 	file = shmem_file_setup("dev/zero", size, vma->vm_flags);
- 	if (IS_ERR(file))
- 		return PTR_ERR(file);
-+	shmem_set_file(vma, file);
- 
--	if (vma->vm_file)
--		fput(vma->vm_file);
--	vma->vm_file = file;
--	vma->vm_ops = &shmem_vm_ops;
- 	return 0;
- }
- 
---- a/fs/file.c
-+++ b/fs/file.c
-@@ -218,6 +218,7 @@ static inline void __set_open_fd(int fd,
- {
- 	__set_bit(fd, fdt->open_fds);
- }
-+EXPORT_SYMBOL_GPL(expand_files);
- 
- static inline void __clear_open_fd(int fd, struct fdtable *fdt)
- {
---- a/kernel/exit.c
-+++ b/kernel/exit.c
-@@ -502,6 +502,8 @@ static void exit_mm(struct task_struct *
- 	mm_update_next_owner(mm);
- 	mmput(mm);
- }
-+EXPORT_SYMBOL_GPL(get_files_struct);
-+EXPORT_SYMBOL_GPL(put_files_struct);
- 
- /*
-  * When we die, we re-parent all our children, and try to:
---- a/kernel/sched/core.c
-+++ b/kernel/sched/core.c
-@@ -3719,6 +3719,7 @@ int can_nice(const struct task_struct *p
- 	return (nice_rlim <= task_rlimit(p, RLIMIT_NICE) ||
- 		capable(CAP_SYS_NICE));
- }
-+EXPORT_SYMBOL_GPL(can_nice);
- 
- #ifdef __ARCH_WANT_SYS_NICE
- 
---- a/mm/memory.c
-+++ b/mm/memory.c
-@@ -1413,6 +1413,7 @@ void zap_page_range(struct vm_area_struc
- 	mmu_notifier_invalidate_range_end(mm, start, end);
- 	tlb_finish_mmu(&tlb, start, end);
- }
-+EXPORT_SYMBOL_GPL(zap_page_range);
- 
- /**
-  * zap_page_range_single - remove user pages in a given range
---- a/mm/vmalloc.c
-+++ b/mm/vmalloc.c
-@@ -1281,6 +1281,7 @@ void unmap_kernel_range(unsigned long ad
- 	vunmap_page_range(addr, end);
- 	flush_tlb_kernel_range(addr, end);
- }
-+EXPORT_SYMBOL_GPL(unmap_kernel_range);
- 
- int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages)
- {
-@@ -1412,6 +1413,7 @@ struct vm_struct *get_vm_area(unsigned l
- 				  NUMA_NO_NODE, GFP_KERNEL,
- 				  __builtin_return_address(0));
- }
-+EXPORT_SYMBOL_GPL(get_vm_area);
- 
- struct vm_struct *get_vm_area_caller(unsigned long size, unsigned long flags,
- 				const void *caller)
---- a/include/linux/shmem_fs.h
-+++ b/include/linux/shmem_fs.h
-@@ -47,6 +47,8 @@ extern int shmem_init(void);
- extern int shmem_fill_super(struct super_block *sb, void *data, int silent);
- extern struct file *shmem_file_setup(const char *name,
- 					loff_t size, unsigned long flags);
-+
-+extern void shmem_set_file(struct vm_area_struct *vma, struct file *file);
- extern int shmem_zero_setup(struct vm_area_struct *);
- extern int shmem_lock(struct file *file, int lock, struct user_struct *user);
- extern void shmem_unlock_mapping(struct address_space *mapping);

target/linux/generic/patches-3.13/950-vm_exports.patch

@@ -1,101 +0,0 @@
---- a/mm/shmem.c
-+++ b/mm/shmem.c
-@@ -2974,6 +2974,15 @@ put_memory:
- 	return res;
- }
- 
-+void shmem_set_file(struct vm_area_struct *vma, struct file *file)
-+{
-+	if (vma->vm_file)
-+		fput(vma->vm_file);
-+	vma->vm_file = file;
-+	vma->vm_ops = &shmem_vm_ops;
-+}
-+EXPORT_SYMBOL_GPL(shmem_set_file);
-+
- /**
-  * shmem_kernel_file_setup - get an unlinked file living in tmpfs which must be
-  * 	kernel internal.  There will be NO LSM permission checks against the
-@@ -3013,11 +3022,8 @@ int shmem_zero_setup(struct vm_area_stru
- 	file = shmem_file_setup("dev/zero", size, vma->vm_flags);
- 	if (IS_ERR(file))
- 		return PTR_ERR(file);
-+	shmem_set_file(vma, file);
- 
--	if (vma->vm_file)
--		fput(vma->vm_file);
--	vma->vm_file = file;
--	vma->vm_ops = &shmem_vm_ops;
- 	return 0;
- }
- 
---- a/fs/file.c
-+++ b/fs/file.c
-@@ -218,6 +218,7 @@ static inline void __set_open_fd(int fd,
- {
- 	__set_bit(fd, fdt->open_fds);
- }
-+EXPORT_SYMBOL_GPL(expand_files);
- 
- static inline void __clear_open_fd(int fd, struct fdtable *fdt)
- {
---- a/kernel/exit.c
-+++ b/kernel/exit.c
-@@ -490,6 +490,8 @@ static void exit_mm(struct task_struct *
- 	mm_update_next_owner(mm);
- 	mmput(mm);
- }
-+EXPORT_SYMBOL_GPL(get_files_struct);
-+EXPORT_SYMBOL_GPL(put_files_struct);
- 
- /*
-  * When we die, we re-parent all our children, and try to:
---- a/kernel/sched/core.c
-+++ b/kernel/sched/core.c
-@@ -2896,6 +2896,7 @@ int can_nice(const struct task_struct *p
- 	return (nice_rlim <= task_rlimit(p, RLIMIT_NICE) ||
- 		capable(CAP_SYS_NICE));
- }
-+EXPORT_SYMBOL_GPL(can_nice);
- 
- #ifdef __ARCH_WANT_SYS_NICE
- 
---- a/mm/memory.c
-+++ b/mm/memory.c
-@@ -1391,6 +1391,7 @@ void zap_page_range(struct vm_area_struc
- 	mmu_notifier_invalidate_range_end(mm, start, end);
- 	tlb_finish_mmu(&tlb, start, end);
- }
-+EXPORT_SYMBOL_GPL(zap_page_range);
- 
- /**
-  * zap_page_range_single - remove user pages in a given range
---- a/mm/vmalloc.c
-+++ b/mm/vmalloc.c
-@@ -1260,6 +1260,7 @@ void unmap_kernel_range(unsigned long ad
- 	vunmap_page_range(addr, end);
- 	flush_tlb_kernel_range(addr, end);
- }
-+EXPORT_SYMBOL_GPL(unmap_kernel_range);
- 
- int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages)
- {
-@@ -1367,6 +1368,7 @@ struct vm_struct *get_vm_area(unsigned l
- 				  NUMA_NO_NODE, GFP_KERNEL,
- 				  __builtin_return_address(0));
- }
-+EXPORT_SYMBOL_GPL(get_vm_area);
- 
- struct vm_struct *get_vm_area_caller(unsigned long size, unsigned long flags,
- 				const void *caller)
---- a/include/linux/shmem_fs.h
-+++ b/include/linux/shmem_fs.h
-@@ -47,6 +47,8 @@ extern int shmem_init(void);
- extern int shmem_fill_super(struct super_block *sb, void *data, int silent);
- extern struct file *shmem_file_setup(const char *name,
- 					loff_t size, unsigned long flags);
-+
-+extern void shmem_set_file(struct vm_area_struct *vma, struct file *file);
- extern struct file *shmem_kernel_file_setup(const char *name, loff_t size,
- 					    unsigned long flags);
- extern int shmem_zero_setup(struct vm_area_struct *);

target/linux/generic/patches-3.14/950-vm_exports.patch

@@ -1,101 +0,0 @@
---- a/mm/shmem.c
-+++ b/mm/shmem.c
-@@ -2985,6 +2985,15 @@ put_memory:
- 	return res;
- }
- 
-+void shmem_set_file(struct vm_area_struct *vma, struct file *file)
-+{
-+	if (vma->vm_file)
-+		fput(vma->vm_file);
-+	vma->vm_file = file;
-+	vma->vm_ops = &shmem_vm_ops;
-+}
-+EXPORT_SYMBOL_GPL(shmem_set_file);
-+
- /**
-  * shmem_kernel_file_setup - get an unlinked file living in tmpfs which must be
-  * 	kernel internal.  There will be NO LSM permission checks against the
-@@ -3024,11 +3033,8 @@ int shmem_zero_setup(struct vm_area_stru
- 	file = shmem_file_setup("dev/zero", size, vma->vm_flags);
- 	if (IS_ERR(file))
- 		return PTR_ERR(file);
-+	shmem_set_file(vma, file);
- 
--	if (vma->vm_file)
--		fput(vma->vm_file);
--	vma->vm_file = file;
--	vma->vm_ops = &shmem_vm_ops;
- 	return 0;
- }
- 
---- a/fs/file.c
-+++ b/fs/file.c
-@@ -218,6 +218,7 @@ static inline void __set_open_fd(int fd,
- {
- 	__set_bit(fd, fdt->open_fds);
- }
-+EXPORT_SYMBOL_GPL(expand_files);
- 
- static inline void __clear_open_fd(int fd, struct fdtable *fdt)
- {
---- a/kernel/exit.c
-+++ b/kernel/exit.c
-@@ -491,6 +491,8 @@ static void exit_mm(struct task_struct *
- 	mm_update_next_owner(mm);
- 	mmput(mm);
- }
-+EXPORT_SYMBOL_GPL(get_files_struct);
-+EXPORT_SYMBOL_GPL(put_files_struct);
- 
- /*
-  * When we die, we re-parent all our children, and try to:
---- a/kernel/sched/core.c
-+++ b/kernel/sched/core.c
-@@ -3056,6 +3056,7 @@ int can_nice(const struct task_struct *p
- 	return (nice_rlim <= task_rlimit(p, RLIMIT_NICE) ||
- 		capable(CAP_SYS_NICE));
- }
-+EXPORT_SYMBOL_GPL(can_nice);
- 
- #ifdef __ARCH_WANT_SYS_NICE
- 
---- a/mm/memory.c
-+++ b/mm/memory.c
-@@ -1392,6 +1392,7 @@ void zap_page_range(struct vm_area_struc
- 	mmu_notifier_invalidate_range_end(mm, start, end);
- 	tlb_finish_mmu(&tlb, start, end);
- }
-+EXPORT_SYMBOL_GPL(zap_page_range);
- 
- /**
-  * zap_page_range_single - remove user pages in a given range
---- a/mm/vmalloc.c
-+++ b/mm/vmalloc.c
-@@ -1260,6 +1260,7 @@ void unmap_kernel_range(unsigned long ad
- 	vunmap_page_range(addr, end);
- 	flush_tlb_kernel_range(addr, end);
- }
-+EXPORT_SYMBOL_GPL(unmap_kernel_range);
- 
- int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages)
- {
-@@ -1367,6 +1368,7 @@ struct vm_struct *get_vm_area(unsigned l
- 				  NUMA_NO_NODE, GFP_KERNEL,
- 				  __builtin_return_address(0));
- }
-+EXPORT_SYMBOL_GPL(get_vm_area);
- 
- struct vm_struct *get_vm_area_caller(unsigned long size, unsigned long flags,
- 				const void *caller)
---- a/include/linux/shmem_fs.h
-+++ b/include/linux/shmem_fs.h
-@@ -47,6 +47,8 @@ extern int shmem_init(void);
- extern int shmem_fill_super(struct super_block *sb, void *data, int silent);
- extern struct file *shmem_file_setup(const char *name,
- 					loff_t size, unsigned long flags);
-+
-+extern void shmem_set_file(struct vm_area_struct *vma, struct file *file);
- extern struct file *shmem_kernel_file_setup(const char *name, loff_t size,
- 					    unsigned long flags);
- extern int shmem_zero_setup(struct vm_area_struct *);

target/linux/generic/patches-3.18/950-vm_exports.patch

@@ -1,93 +0,0 @@
---- a/mm/shmem.c
-+++ b/mm/shmem.c
-@@ -3377,6 +3377,15 @@ put_path:
- 	return res;
- }
- 
-+void shmem_set_file(struct vm_area_struct *vma, struct file *file)
-+{
-+	if (vma->vm_file)
-+		fput(vma->vm_file);
-+	vma->vm_file = file;
-+	vma->vm_ops = &shmem_vm_ops;
-+}
-+EXPORT_SYMBOL_GPL(shmem_set_file);
-+
- /**
-  * shmem_kernel_file_setup - get an unlinked file living in tmpfs which must be
-  * 	kernel internal.  There will be NO LSM permission checks against the
-@@ -3416,11 +3425,8 @@ int shmem_zero_setup(struct vm_area_stru
- 	file = shmem_file_setup("dev/zero", size, vma->vm_flags);
- 	if (IS_ERR(file))
- 		return PTR_ERR(file);
-+	shmem_set_file(vma, file);
- 
--	if (vma->vm_file)
--		fput(vma->vm_file);
--	vma->vm_file = file;
--	vma->vm_ops = &shmem_vm_ops;
- 	return 0;
- }
- 
---- a/fs/file.c
-+++ b/fs/file.c
-@@ -216,6 +216,7 @@ static inline void __set_open_fd(int fd,
- {
- 	__set_bit(fd, fdt->open_fds);
- }
-+EXPORT_SYMBOL_GPL(expand_files);
- 
- static inline void __clear_open_fd(int fd, struct fdtable *fdt)
- {
---- a/kernel/exit.c
-+++ b/kernel/exit.c
-@@ -461,6 +461,8 @@ static void exit_mm(struct task_struct *
- 	mmput(mm);
- 	clear_thread_flag(TIF_MEMDIE);
- }
-+EXPORT_SYMBOL_GPL(get_files_struct);
-+EXPORT_SYMBOL_GPL(put_files_struct);
- 
- /*
-  * When we die, we re-parent all our children, and try to:
---- a/kernel/sched/core.c
-+++ b/kernel/sched/core.c
-@@ -3159,6 +3159,7 @@ int can_nice(const struct task_struct *p
- 	return (nice_rlim <= task_rlimit(p, RLIMIT_NICE) ||
- 		capable(CAP_SYS_NICE));
- }
-+EXPORT_SYMBOL_GPL(can_nice);
- 
- #ifdef __ARCH_WANT_SYS_NICE
- 
---- a/mm/memory.c
-+++ b/mm/memory.c
-@@ -1404,6 +1404,7 @@ void zap_page_range(struct vm_area_struc
- 	mmu_notifier_invalidate_range_end(mm, start, end);
- 	tlb_finish_mmu(&tlb, start, end);
- }
-+EXPORT_SYMBOL_GPL(zap_page_range);
- 
- /**
-  * zap_page_range_single - remove user pages in a given range
---- a/mm/vmalloc.c
-+++ b/mm/vmalloc.c
-@@ -1372,6 +1372,7 @@ struct vm_struct *get_vm_area(unsigned l
- 				  NUMA_NO_NODE, GFP_KERNEL,
- 				  __builtin_return_address(0));
- }
-+EXPORT_SYMBOL_GPL(get_vm_area);
- 
- struct vm_struct *get_vm_area_caller(unsigned long size, unsigned long flags,
- 				const void *caller)
---- a/include/linux/shmem_fs.h
-+++ b/include/linux/shmem_fs.h
-@@ -49,6 +49,8 @@ extern int shmem_init(void);
- extern int shmem_fill_super(struct super_block *sb, void *data, int silent);
- extern struct file *shmem_file_setup(const char *name,
- 					loff_t size, unsigned long flags);
-+
-+extern void shmem_set_file(struct vm_area_struct *vma, struct file *file);
- extern struct file *shmem_kernel_file_setup(const char *name, loff_t size,
- 					    unsigned long flags);
- extern int shmem_zero_setup(struct vm_area_struct *);

target/linux/generic/patches-3.3/950-vm_exports.patch

@@ -1,117 +0,0 @@
---- a/mm/shmem.c
-+++ b/mm/shmem.c
-@@ -2490,6 +2490,16 @@ EXPORT_SYMBOL_GPL(shmem_truncate_range);
- 
- /* common code */
- 
-+void shmem_set_file(struct vm_area_struct *vma, struct file *file)
-+{
-+	if (vma->vm_file)
-+		fput(vma->vm_file);
-+	vma->vm_file = file;
-+	vma->vm_ops = &shmem_vm_ops;
-+	vma->vm_flags |= VM_CAN_NONLINEAR;
-+}
-+EXPORT_SYMBOL_GPL(shmem_set_file);
-+
- /**
-  * shmem_file_setup - get an unlinked file living in tmpfs
-  * @name: name for dentry (to be seen in /proc/<pid>/maps
-@@ -2567,11 +2577,8 @@ int shmem_zero_setup(struct vm_area_stru
- 	if (IS_ERR(file))
- 		return PTR_ERR(file);
- 
--	if (vma->vm_file)
--		fput(vma->vm_file);
--	vma->vm_file = file;
--	vma->vm_ops = &shmem_vm_ops;
--	vma->vm_flags |= VM_CAN_NONLINEAR;
-+	shmem_set_file(vma, file);
-+
- 	return 0;
- }
- 
---- a/fs/file.c
-+++ b/fs/file.c
-@@ -268,6 +268,7 @@ int expand_files(struct files_struct *fi
- 	/* All good, so we try */
- 	return expand_fdtable(files, nr);
- }
-+EXPORT_SYMBOL_GPL(expand_files);
- 
- static int count_open_files(struct fdtable *fdt)
- {
---- a/kernel/exit.c
-+++ b/kernel/exit.c
-@@ -500,6 +500,7 @@ struct files_struct *get_files_struct(st
- 
- 	return files;
- }
-+EXPORT_SYMBOL_GPL(get_files_struct);
- 
- void put_files_struct(struct files_struct *files)
- {
-@@ -521,6 +522,7 @@ void put_files_struct(struct files_struc
- 		rcu_read_unlock();
- 	}
- }
-+EXPORT_SYMBOL_GPL(put_files_struct);
- 
- void reset_files_struct(struct files_struct *files)
- {
---- a/kernel/sched/core.c
-+++ b/kernel/sched/core.c
-@@ -3854,6 +3854,7 @@ int can_nice(const struct task_struct *p
- 	return (nice_rlim <= task_rlimit(p, RLIMIT_NICE) ||
- 		capable(CAP_SYS_NICE));
- }
-+EXPORT_SYMBOL_GPL(can_nice);
- 
- #ifdef __ARCH_WANT_SYS_NICE
- 
---- a/mm/memory.c
-+++ b/mm/memory.c
-@@ -1412,6 +1412,7 @@ unsigned long zap_page_range(struct vm_a
- 	tlb_finish_mmu(&tlb, address, end);
- 	return end;
- }
-+EXPORT_SYMBOL_GPL(zap_page_range);
- 
- /**
-  * zap_vma_ptes - remove ptes mapping the vma
-@@ -3087,6 +3088,7 @@ static inline int check_stack_guard_page
- 	}
- 	return 0;
- }
-+EXPORT_SYMBOL_GPL(vmtruncate_range);
- 
- /*
-  * We enter with non-exclusive mmap_sem (to exclude vma changes,
---- a/mm/vmalloc.c
-+++ b/mm/vmalloc.c
-@@ -1257,6 +1257,7 @@ void unmap_kernel_range(unsigned long ad
- 	vunmap_page_range(addr, end);
- 	flush_tlb_kernel_range(addr, end);
- }
-+EXPORT_SYMBOL_GPL(unmap_kernel_range);
- 
- int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages)
- {
-@@ -1394,6 +1395,7 @@ struct vm_struct *get_vm_area(unsigned l
- 	return __get_vm_area_node(size, 1, flags, VMALLOC_START, VMALLOC_END,
- 				-1, GFP_KERNEL, __builtin_return_address(0));
- }
-+EXPORT_SYMBOL_GPL(get_vm_area);
- 
- struct vm_struct *get_vm_area_caller(unsigned long size, unsigned long flags,
- 				void *caller)
---- a/include/linux/mm.h
-+++ b/include/linux/mm.h
-@@ -872,6 +872,7 @@ extern bool skip_free_areas_node(unsigne
- 
- int shmem_lock(struct file *file, int lock, struct user_struct *user);
- struct file *shmem_file_setup(const char *name, loff_t size, unsigned long flags);
-+void shmem_set_file(struct vm_area_struct *vma, struct file *file);
- int shmem_zero_setup(struct vm_area_struct *);
- 
- extern int can_do_mlock(void);

target/linux/generic/patches-3.8/950-vm_exports.patch

@@ -1,101 +0,0 @@
---- a/mm/shmem.c
-+++ b/mm/shmem.c
-@@ -2871,6 +2871,15 @@ EXPORT_SYMBOL_GPL(shmem_truncate_range);
- 
- /* common code */
- 
-+void shmem_set_file(struct vm_area_struct *vma, struct file *file)
-+{
-+	if (vma->vm_file)
-+		fput(vma->vm_file);
-+	vma->vm_file = file;
-+	vma->vm_ops = &shmem_vm_ops;
-+}
-+EXPORT_SYMBOL_GPL(shmem_set_file);
-+
- /**
-  * shmem_file_setup - get an unlinked file living in tmpfs
-  * @name: name for dentry (to be seen in /proc/<pid>/maps
-@@ -2947,11 +2956,8 @@ int shmem_zero_setup(struct vm_area_stru
- 	file = shmem_file_setup("dev/zero", size, vma->vm_flags);
- 	if (IS_ERR(file))
- 		return PTR_ERR(file);
-+	shmem_set_file(vma, file);
- 
--	if (vma->vm_file)
--		fput(vma->vm_file);
--	vma->vm_file = file;
--	vma->vm_ops = &shmem_vm_ops;
- 	return 0;
- }
- 
---- a/fs/file.c
-+++ b/fs/file.c
-@@ -270,6 +270,7 @@ static inline void __set_open_fd(int fd,
- {
- 	__set_bit(fd, fdt->open_fds);
- }
-+EXPORT_SYMBOL_GPL(expand_files);
- 
- static inline void __clear_open_fd(int fd, struct fdtable *fdt)
- {
---- a/kernel/exit.c
-+++ b/kernel/exit.c
-@@ -499,6 +499,8 @@ static void exit_mm(struct task_struct *
- 	mm_update_next_owner(mm);
- 	mmput(mm);
- }
-+EXPORT_SYMBOL_GPL(get_files_struct);
-+EXPORT_SYMBOL_GPL(put_files_struct);
- 
- /*
-  * When we die, we re-parent all our children, and try to:
---- a/kernel/sched/core.c
-+++ b/kernel/sched/core.c
-@@ -3636,6 +3636,7 @@ int can_nice(const struct task_struct *p
- 	return (nice_rlim <= task_rlimit(p, RLIMIT_NICE) ||
- 		capable(CAP_SYS_NICE));
- }
-+EXPORT_SYMBOL_GPL(can_nice);
- 
- #ifdef __ARCH_WANT_SYS_NICE
- 
---- a/mm/memory.c
-+++ b/mm/memory.c
-@@ -1409,6 +1409,7 @@ void zap_page_range(struct vm_area_struc
- 	mmu_notifier_invalidate_range_end(mm, start, end);
- 	tlb_finish_mmu(&tlb, start, end);
- }
-+EXPORT_SYMBOL_GPL(zap_page_range);
- 
- /**
-  * zap_page_range_single - remove user pages in a given range
---- a/mm/vmalloc.c
-+++ b/mm/vmalloc.c
-@@ -1266,6 +1266,7 @@ void unmap_kernel_range(unsigned long ad
- 	vunmap_page_range(addr, end);
- 	flush_tlb_kernel_range(addr, end);
- }
-+EXPORT_SYMBOL_GPL(unmap_kernel_range);
- 
- int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages)
- {
-@@ -1403,6 +1404,7 @@ struct vm_struct *get_vm_area(unsigned l
- 	return __get_vm_area_node(size, 1, flags, VMALLOC_START, VMALLOC_END,
- 				-1, GFP_KERNEL, __builtin_return_address(0));
- }
-+EXPORT_SYMBOL_GPL(get_vm_area);
- 
- struct vm_struct *get_vm_area_caller(unsigned long size, unsigned long flags,
- 				const void *caller)
---- a/include/linux/shmem_fs.h
-+++ b/include/linux/shmem_fs.h
-@@ -47,6 +47,8 @@ extern int shmem_init(void);
- extern int shmem_fill_super(struct super_block *sb, void *data, int silent);
- extern struct file *shmem_file_setup(const char *name,
- 					loff_t size, unsigned long flags);
-+
-+extern void shmem_set_file(struct vm_area_struct *vma, struct file *file);
- extern int shmem_zero_setup(struct vm_area_struct *);
- extern int shmem_lock(struct file *file, int lock, struct user_struct *user);
- extern void shmem_unlock_mapping(struct address_space *mapping);