add some extra kernel exports to be used by ashmem and binder later
[openwrt/svn-archive/archive.git] / target / linux / generic-2.6 / patches-2.6.27 / 980-vm_exports.patch
1 --- a/mm/shmem.c
2 +++ b/mm/shmem.c
3 @@ -2582,6 +2582,16 @@ put_memory:
4 shmem_unacct_size(flags, size);
5 return ERR_PTR(error);
6 }
7 +EXPORT_SYMBOL_GPL(shmem_file_setup);
8 +
9 +void shmem_set_file(struct vm_area_struct *vma, struct file *file)
10 +{
11 + if (vma->vm_file)
12 + fput(vma->vm_file);
13 + vma->vm_file = file;
14 + vma->vm_ops = &shmem_vm_ops;
15 +}
16 +EXPORT_SYMBOL_GPL(shmem_set_file);
17
18 /**
19 * shmem_zero_setup - setup a shared anonymous mapping
20 @@ -2596,9 +2606,6 @@ int shmem_zero_setup(struct vm_area_stru
21 if (IS_ERR(file))
22 return PTR_ERR(file);
23
24 - if (vma->vm_file)
25 - fput(vma->vm_file);
26 - vma->vm_file = file;
27 - vma->vm_ops = &shmem_vm_ops;
28 + shmem_set_file(vma, vma->vm_file);
29 return 0;
30 }
31 --- a/fs/file.c
32 +++ b/fs/file.c
33 @@ -270,6 +270,7 @@ int expand_files(struct files_struct *fi
34 /* All good, so we try */
35 return expand_fdtable(files, nr);
36 }
37 +EXPORT_SYMBOL_GPL(expand_files);
38
39 static int count_open_files(struct fdtable *fdt)
40 {
41 --- a/kernel/exit.c
42 +++ b/kernel/exit.c
43 @@ -504,6 +504,7 @@ struct files_struct *get_files_struct(st
44
45 return files;
46 }
47 +EXPORT_SYMBOL_GPL(get_files_struct);
48
49 void put_files_struct(struct files_struct *files)
50 {
51 @@ -523,6 +524,7 @@ void put_files_struct(struct files_struc
52 free_fdtable(fdt);
53 }
54 }
55 +EXPORT_SYMBOL_GPL(put_files_struct);
56
57 void reset_files_struct(struct files_struct *files)
58 {
59 --- a/kernel/fork.c
60 +++ b/kernel/fork.c
61 @@ -153,6 +153,7 @@ void __put_task_struct(struct task_struc
62 if (!profile_handoff_task(tsk))
63 free_task(tsk);
64 }
65 +EXPORT_SYMBOL_GPL(__put_task_struct);
66
67 /*
68 * macro override instead of weak attribute alias, to workaround
69 --- a/kernel/sched.c
70 +++ b/kernel/sched.c
71 @@ -4932,6 +4932,7 @@ int can_nice(const struct task_struct *p
72 return (nice_rlim <= p->signal->rlim[RLIMIT_NICE].rlim_cur ||
73 capable(CAP_SYS_NICE));
74 }
75 +EXPORT_SYMBOL_GPL(can_nice);
76
77 #ifdef __ARCH_WANT_SYS_NICE
78
79 --- a/mm/memory.c
80 +++ b/mm/memory.c
81 @@ -993,6 +993,7 @@ unsigned long zap_page_range(struct vm_a
82 tlb_finish_mmu(tlb, address, end);
83 return end;
84 }
85 +EXPORT_SYMBOL_GPL(zap_page_range);
86
87 /**
88 * zap_vma_ptes - remove ptes mapping the vma
89 @@ -2241,6 +2242,7 @@ int vmtruncate_range(struct inode *inode
90
91 return 0;
92 }
93 +EXPORT_SYMBOL_GPL(vmtruncate_range);
94
95 /*
96 * We enter with non-exclusive mmap_sem (to exclude vma changes,
97 --- a/mm/vmalloc.c
98 +++ b/mm/vmalloc.c
99 @@ -88,6 +88,7 @@ void unmap_kernel_range(unsigned long ad
100 } while (pgd++, addr = next, addr != end);
101 flush_tlb_kernel_range(start, end);
102 }
103 +EXPORT_SYMBOL_GPL(unmap_kernel_range);
104
105 static void unmap_vm_area(struct vm_struct *area)
106 {
107 @@ -306,6 +307,7 @@ struct vm_struct *get_vm_area(unsigned l
108 return __get_vm_area_node(size, flags, VMALLOC_START, VMALLOC_END,
109 -1, GFP_KERNEL, __builtin_return_address(0));
110 }
111 +EXPORT_SYMBOL_GPL(get_vm_area);
112
113 struct vm_struct *get_vm_area_caller(unsigned long size, unsigned long flags,
114 void *caller)