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Commit 5853ff23 authored by K. Y. Srinivasan's avatar K. Y. Srinivasan Committed by Greg Kroah-Hartman
Browse files

mm: export split_page() 



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

Signed-off-by: default avatarK. Y. Srinivasan <kys@microsoft.com>
Acked-by: default avatarMichal Hocko <mhocko@suse.cz>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 647965a2

mm/page_alloc.c

+1 −0
Original line number Diff line number Diff line
@@ -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)

{