mm: mempolicy: turn vma_set_policy() into vma_dup_policy()

[pandora-kernel.git] / mm / mempolicy.c

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 4baf12e..6b1d426 100644 (file)
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -2065,6 +2065,16 @@ retry_cpuset:
 }
 EXPORT_SYMBOL(alloc_pages_current);
 
+int vma_dup_policy(struct vm_area_struct *src, struct vm_area_struct *dst)
+{
+       struct mempolicy *pol = mpol_dup(vma_policy(src));
+
+       if (IS_ERR(pol))
+               return PTR_ERR(pol);
+       dst->vm_policy = pol;
+       return 0;
+}
+
 /*
  * If mpol_dup() sees current->cpuset == cpuset_being_rebound, then it
  * rebinds the mempolicy its copying by calling mpol_rebind_policy()