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authorJonas Gorski <jogo@openwrt.org>2012-02-02 08:23:54 +0000
committerJonas Gorski <jogo@openwrt.org>2012-02-02 08:23:54 +0000
commiteca9950f63ec4491a7bd6138174ac08595184e1b (patch)
treea21d36b4e93a079ce234258a3a82b97dd82c10bf /target/linux/generic/patches-3.3/950-vm_exports.patch
parentc336de3d85efb1a1150825870b7cbff4f7a65366 (diff)
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kernel: add preliminary support for linux 3.3
Based on 3.3-rc2 SVN-Revision: 29986
Diffstat (limited to 'target/linux/generic/patches-3.3/950-vm_exports.patch')
-rw-r--r--target/linux/generic/patches-3.3/950-vm_exports.patch117
1 files changed, 117 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.3/950-vm_exports.patch b/target/linux/generic/patches-3.3/950-vm_exports.patch
new file mode 100644
index 0000000..f0d9a64
--- /dev/null
+++ b/target/linux/generic/patches-3.3/950-vm_exports.patch
@@ -0,0 +1,117 @@
+--- 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
+@@ -3861,6 +3861,7 @@ 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 @@ 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
+@@ -3079,6 +3080,7 @@ 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);