[PATCH v7 2/6] mm: export add_swap_extent()

[Omar Sandoval <osandov@xxxxxxxxxxx>]

From: Omar Sandoval <osandov@xxxxxx>

Btrfs will need this for swap file support.

Signed-off-by: Omar Sandoval <osandov@xxxxxx>
---
 mm/swapfile.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/swapfile.c b/mm/swapfile.c
index d3f95833d12e..51cb30de17bc 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -2365,6 +2365,7 @@ add_swap_extent(struct swap_info_struct *sis, unsigned long start_page,
 	list_add_tail(&new_se->list, &sis->first_swap_extent.list);
 	return 1;
 }
+EXPORT_SYMBOL_GPL(add_swap_extent);
 
 /*
  * A `swap extent' is a simple thing which maps a contiguous range of pages
-- 
2.18.0