kernel: reorganize 2.6.39 patches

[openwrt.git] / target / linux / generic / patches-2.6.39 / 950-vm_exports.patch

diff --git a/target/linux/generic/patches-2.6.39/950-vm_exports.patch b/target/linux/generic/patches-2.6.39/950-vm_exports.patch
new file mode 100644 (file)
index 0000000..9fcaabc
--- /dev/null
+++ b/target/linux/generic/patches-2.6.39/950-vm_exports.patch
@@ -0,0 +1,116 @@
+--- a/mm/shmem.c
++++ b/mm/shmem.c
+@@ -2711,6 +2711,16 @@ out:
+ 
+ /* 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
+@@ -2788,10 +2798,7 @@ 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
+@@ -264,6 +264,7 @@ 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
+@@ -513,6 +513,7 @@ struct files_struct *get_files_struct(st
+ 
+       return files;
+ }
++EXPORT_SYMBOL_GPL(get_files_struct);
+ 
+ void put_files_struct(struct files_struct *files)
+ {
+@@ -534,6 +535,7 @@ 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.c
++++ b/kernel/sched.c
+@@ -4781,6 +4781,7 @@ 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
+@@ -1229,6 +1229,7 @@ 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
+@@ -2756,6 +2757,7 @@ int vmtruncate_range(struct inode *inode
+ 
+       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
+@@ -1245,6 +1245,7 @@ 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)
+ {
+@@ -1360,6 +1361,7 @@ 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
+@@ -871,6 +871,7 @@ extern void __show_free_areas(unsigned i
+ 
+ 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 *);
+ 
+ #ifndef CONFIG_MMU