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@xxxxxxx>, I have updated the patch description. Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx> --- 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 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel