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mm: export split_page()

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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>
This commit is contained in:
K. Y. Srinivasan 2013-03-25 15:47:38 -07:00 committed by Greg Kroah-Hartman
parent 647965a268
commit 5853ff23c2
1 changed files with 1 additions and 0 deletions
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mm/page_alloc.c
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@ -1397,6 +1397,7 @@ void split_page(struct page *page, unsigned int order)
for (i = 1; i < (1 << order); i++) for (i = 1; i < (1 << order); i++)
set_page_refcounted(page + i); set_page_refcounted(page + i);
} }
EXPORT_SYMBOL_GPL(split_page);
static int __isolate_free_page(struct page *page, unsigned int order) static int __isolate_free_page(struct page *page, unsigned int order)
{ {