[Xen-changelog] Export Xen driver util function symbols so that Xen drivers

[Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID 709bce2f08d6024c2efb2938e564915da1ca51f2
# Parent  aad2b2da3c8beda24bc62ca6e92b28c28def0849
Export Xen driver util function symbols so that Xen drivers
can build as modules.

Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>

diff -r aad2b2da3c8b -r 709bce2f08d6 linux-2.6-xen-sparse/drivers/xen/util.c
--- a/linux-2.6-xen-sparse/drivers/xen/util.c   Wed Jan 25 11:51:21 2006
+++ b/linux-2.6-xen-sparse/drivers/xen/util.c   Wed Jan 25 13:28:07 2006
@@ -31,6 +31,7 @@
 
        return area;
 }
+EXPORT_SYMBOL(alloc_vm_area);
 
 void free_vm_area(struct vm_struct *area)
 {
@@ -39,6 +40,7 @@
        BUG_ON(ret != area);
        kfree(area);
 }
+EXPORT_SYMBOL(free_vm_area);
 
 void lock_vm_area(struct vm_struct *area)
 {
@@ -58,11 +60,13 @@
        for (i = 0; i < area->size; i += PAGE_SIZE)
                (void)__get_user(c, (char __user *)area->addr + i);
 }
+EXPORT_SYMBOL(lock_vm_area);
 
 void unlock_vm_area(struct vm_struct *area)
 {
        preempt_enable();
 }
+EXPORT_SYMBOL(unlock_vm_area);
 
 /*
  * Local variables:

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