[PATCH V2 1/3] mm: Export split_page()

K. Y. Srinivasan kys at microsoft.com
Mon Mar 18 20:51:36 UTC 2013


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

In this version of the patch, based on feedback from Michal Hocko
<mhocko at suse.cz>, I have updated the patch description.

Signed-off-by: K. Y. Srinivasan <kys at microsoft.com>
---
 mm/page_alloc.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 6cacfee..7e0ead6 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1404,6 +1404,7 @@ 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)
 {
-- 
1.7.4.1




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