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authorK. Y. Srinivasan <kys@microsoft.com>2013-03-25 15:47:38 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-03-29 08:53:13 -0700
commit5853ff23c2f0f6c87a859e7f882eac3300b329a0 (patch)
tree875b7125ba23d993247dbe58bc9c40219701cf86 /mm/page_alloc.c
parent647965a268fd876781dd9899185482682bf42f6a (diff)
downloadlinux-5853ff23c2f0f6c87a859e7f882eac3300b329a0.tar.gz
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>
Diffstat (limited to 'mm/page_alloc.c')
-rw-r--r--mm/page_alloc.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 8fcced7823f..7ff1536f01b 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)
{