[PATCH 1/4] mm: export numa_migrate_prep()

[Liu Ping Fan]

powerpc will use it in fast path.

Signed-off-by: Liu Ping Fan <pingfank at linux.vnet.ibm.com>
---
 include/linux/mm.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 5ab0e22..420fb77 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1092,6 +1092,8 @@ extern unsigned long change_protection(struct vm_area_struct *vma, unsigned long
 extern int mprotect_fixup(struct vm_area_struct *vma,
 			  struct vm_area_struct **pprev, unsigned long start,
 			  unsigned long end, unsigned long newflags);
+extern int numa_migrate_prep(struct page *page, struct vm_area_struct *vma,
+				unsigned long addr, int page_nid);
 
 /*
  * doesn't attempt to fault and will return short.
-- 
1.8.1.4