[PATCH 2/6] mm: memory: make numa_migrate_prep() non-static

[Yang Shi <shy828301@gmail.com>]

The numa_migrate_prep() will be used by huge NUMA fault as well in the following
patch, make it non-static.

Signed-off-by: Yang Shi <shy828301@gmail.com>
---
 mm/internal.h | 3 +++
 mm/memory.c   | 5 ++---
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/mm/internal.h b/mm/internal.h
index 1432feec62df..5ac525f364e6 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -618,4 +618,7 @@ struct migration_target_control {
 	gfp_t gfp_mask;
 };
 
+int numa_migrate_prep(struct page *page, struct vm_area_struct *vma,
+		      unsigned long addr, int page_nid, int *flags);
+
 #endif	/* __MM_INTERNAL_H */
diff --git a/mm/memory.c b/mm/memory.c
index 33be5811ac65..003bbf3187d4 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -4078,9 +4078,8 @@ static vm_fault_t do_fault(struct vm_fault *vmf)
 	return ret;
 }
 
-static int numa_migrate_prep(struct page *page, struct vm_area_struct *vma,
-				unsigned long addr, int page_nid,
-				int *flags)
+int numa_migrate_prep(struct page *page, struct vm_area_struct *vma,
+		      unsigned long addr, int page_nid, int *flags)
 {
 	get_page(page);
 
-- 
2.26.2