summaryrefslogtreecommitdiff
path: root/target/linux/generic/patches-3.7/950-vm_exports.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/generic/patches-3.7/950-vm_exports.patch')
-rw-r--r--target/linux/generic/patches-3.7/950-vm_exports.patch108
1 files changed, 108 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.7/950-vm_exports.patch b/target/linux/generic/patches-3.7/950-vm_exports.patch
new file mode 100644
index 0000000..eaf3e23
--- /dev/null
+++ b/target/linux/generic/patches-3.7/950-vm_exports.patch
@@ -0,0 +1,108 @@
+--- a/mm/shmem.c
++++ b/mm/shmem.c
+@@ -2769,6 +2769,15 @@ 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
+@@ -2845,11 +2854,8 @@ 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
+@@ -461,6 +461,7 @@ void daemonize(const char *name, ...)
+
+ reparent_to_kthreadd();
+ }
++EXPORT_SYMBOL_GPL(get_files_struct);
+
+ EXPORT_SYMBOL(daemonize);
+
+@@ -603,6 +604,7 @@ static void exit_mm(struct task_struct *
+ mm_update_next_owner(mm);
+ mmput(mm);
+ }
++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
+@@ -3565,6 +3565,7 @@ 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
+@@ -1415,6 +1415,7 @@ 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);