add some extra kernel exports to be used by ashmem and binder later

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14033 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/generic-2.6/patches-2.6.27/980-vm_exports.patch b/target/linux/generic-2.6/patches-2.6.27/980-vm_exports.patch
new file mode 100644 (file)
index 0000000..c11316e
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.27/980-vm_exports.patch
@@ -0,0 +1,114 @@
+--- a/mm/shmem.c
++++ b/mm/shmem.c
+@@ -2582,6 +2582,16 @@ put_memory:
+       shmem_unacct_size(flags, size);
+       return ERR_PTR(error);
+ }
++EXPORT_SYMBOL_GPL(shmem_file_setup);
++
++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_zero_setup - setup a shared anonymous mapping
+@@ -2596,9 +2606,6 @@ 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;
++      shmem_set_file(vma, vma->vm_file);
+       return 0;
+ }
+--- a/fs/file.c
++++ b/fs/file.c
+@@ -270,6 +270,7 @@ 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
+@@ -504,6 +504,7 @@ struct files_struct *get_files_struct(st
+ 
+       return files;
+ }
++EXPORT_SYMBOL_GPL(get_files_struct);
+ 
+ void put_files_struct(struct files_struct *files)
+ {
+@@ -523,6 +524,7 @@ void put_files_struct(struct files_struc
+               free_fdtable(fdt);
+       }
+ }
++EXPORT_SYMBOL_GPL(put_files_struct);
+ 
+ void reset_files_struct(struct files_struct *files)
+ {
+--- a/kernel/fork.c
++++ b/kernel/fork.c
+@@ -153,6 +153,7 @@ void __put_task_struct(struct task_struc
+       if (!profile_handoff_task(tsk))
+               free_task(tsk);
+ }
++EXPORT_SYMBOL_GPL(__put_task_struct);
+ 
+ /*
+  * macro override instead of weak attribute alias, to workaround
+--- a/kernel/sched.c
++++ b/kernel/sched.c
+@@ -4932,6 +4932,7 @@ int can_nice(const struct task_struct *p
+       return (nice_rlim <= p->signal->rlim[RLIMIT_NICE].rlim_cur ||
+               capable(CAP_SYS_NICE));
+ }
++EXPORT_SYMBOL_GPL(can_nice);
+ 
+ #ifdef __ARCH_WANT_SYS_NICE
+ 
+--- a/mm/memory.c
++++ b/mm/memory.c
+@@ -993,6 +993,7 @@ 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
+@@ -2241,6 +2242,7 @@ 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
+@@ -88,6 +88,7 @@ void unmap_kernel_range(unsigned long ad
+       } while (pgd++, addr = next, addr != end);
+       flush_tlb_kernel_range(start, end);
+ }
++EXPORT_SYMBOL_GPL(unmap_kernel_range);
+ 
+ static void unmap_vm_area(struct vm_struct *area)
+ {
+@@ -306,6 +307,7 @@ struct vm_struct *get_vm_area(unsigned l
+       return __get_vm_area_node(size, 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)

diff --git a/target/linux/generic-2.6/patches-2.6.28/980-vm_exports.patch b/target/linux/generic-2.6/patches-2.6.28/980-vm_exports.patch
new file mode 100644 (file)
index 0000000..ad36593
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.28/980-vm_exports.patch
@@ -0,0 +1,113 @@
+--- a/mm/shmem.c
++++ b/mm/shmem.c
+@@ -2480,6 +2480,15 @@ static int shmem_get_sb(struct file_syst
+       return get_sb_nodev(fs_type, flags, data, shmem_fill_super, mnt);
+ }
+ 
++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);
++
+ static struct file_system_type tmpfs_fs_type = {
+       .owner          = THIS_MODULE,
+       .name           = "tmpfs",
+@@ -2600,9 +2609,6 @@ 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;
++      shmem_set_file(vma, vma->vm_file);
+       return 0;
+ }
+--- a/fs/file.c
++++ b/fs/file.c
+@@ -270,6 +270,7 @@ 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
+@@ -509,6 +509,7 @@ struct files_struct *get_files_struct(st
+ 
+       return files;
+ }
++EXPORT_SYMBOL_GPL(get_files_struct);
+ 
+ void put_files_struct(struct files_struct *files)
+ {
+@@ -528,6 +529,7 @@ void put_files_struct(struct files_struc
+               free_fdtable(fdt);
+       }
+ }
++EXPORT_SYMBOL_GPL(put_files_struct);
+ 
+ void reset_files_struct(struct files_struct *files)
+ {
+--- a/kernel/fork.c
++++ b/kernel/fork.c
+@@ -155,6 +155,7 @@ void __put_task_struct(struct task_struc
+       if (!profile_handoff_task(tsk))
+               free_task(tsk);
+ }
++EXPORT_SYMBOL_GPL(__put_task_struct);
+ 
+ /*
+  * macro override instead of weak attribute alias, to workaround
+--- a/kernel/sched.c
++++ b/kernel/sched.c
+@@ -5015,6 +5015,7 @@ int can_nice(const struct task_struct *p
+       return (nice_rlim <= p->signal->rlim[RLIMIT_NICE].rlim_cur ||
+               capable(CAP_SYS_NICE));
+ }
++EXPORT_SYMBOL_GPL(can_nice);
+ 
+ #ifdef __ARCH_WANT_SYS_NICE
+ 
+--- a/mm/memory.c
++++ b/mm/memory.c
+@@ -993,6 +993,7 @@ 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
+@@ -2271,6 +2272,7 @@ 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
+@@ -980,6 +980,7 @@ 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)
+ {
+@@ -1085,6 +1086,7 @@ struct vm_struct *get_vm_area(unsigned l
+       return __get_vm_area_node(size, 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)