From 5853ff23c2f0f6c87a859e7f882eac3300b329a0 Mon Sep 17 00:00:00 2001
From: "K. Y. Srinivasan" <kys@microsoft.com>
Date: Mon, 25 Mar 2013 15:47:38 -0700
Subject: [PATCH] mm: export split_page()

This symbol will be used in the Hyper-V balloon driver to support 2M
allocations.

Signed-off-by: K.  Y.  Srinivasan <kys@microsoft.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 mm/page_alloc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 8fcced7823fa..7ff1536f01b8 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1397,6 +1397,7 @@ void split_page(struct page *page, unsigned int order)
 	for (i = 1; i < (1 << order); i++)
 		set_page_refcounted(page + i);
 }
+EXPORT_SYMBOL_GPL(split_page);
 
 static int __isolate_free_page(struct page *page, unsigned int order)
 {
-- 
2.39.5