--- a/mm/shmem.c
+++ b/mm/shmem.c
-@@ -2602,6 +2602,16 @@ int shmem_unuse(swp_entry_t entry, struc
+@@ -2606,6 +2606,16 @@ int shmem_unuse(swp_entry_t entry, struc
/* common code */
/**
* shmem_file_setup - get an unlinked file living in tmpfs
* @name: name for dentry (to be seen in /proc/<pid>/maps
-@@ -2680,11 +2690,7 @@ int shmem_zero_setup(struct vm_area_stru
+@@ -2684,11 +2694,7 @@ int shmem_zero_setup(struct vm_area_stru
if (IS_ERR(file))
return PTR_ERR(file);
/**
* zap_vma_ptes - remove ptes mapping the vma
-@@ -2405,6 +2406,7 @@ int vmtruncate_range(struct inode *inode
+@@ -2438,6 +2439,7 @@ int vmtruncate_range(struct inode *inode
return 0;
}
* We enter with non-exclusive mmap_sem (to exclude vma changes,
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
-@@ -1100,6 +1100,7 @@ void unmap_kernel_range(unsigned long ad
+@@ -1101,6 +1101,7 @@ void unmap_kernel_range(unsigned long ad
vunmap_page_range(addr, end);
flush_tlb_kernel_range(addr, end);
}
int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages)
{
-@@ -1213,6 +1214,7 @@ struct vm_struct *get_vm_area(unsigned l
+@@ -1214,6 +1215,7 @@ 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));
}
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
+@@ -728,6 +728,7 @@ static inline int shmem_lock(struct file
+ #endif
+ struct file *shmem_file_setup(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
+--- a/kernel/signal.c
++++ b/kernel/signal.c
+@@ -1053,6 +1053,7 @@ struct sighand_struct *lock_task_sighand
+
+ return sighand;
+ }
++EXPORT_SYMBOL(lock_task_sighand);
+
+ /*
+ * send signal info to all the members of a group