From: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Warn destroy_compound_page that __split_huge_page_refcount is heavily dependent
on its internal behavior.
Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Acked-by: Rik van Riel <riel@xxxxxxxxxx>
Acked-by: Mel Gorman <mel@xxxxxxxxx>
---
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -334,6 +334,7 @@ void prep_compound_page(struct page *pag
}
}
+/* update __split_huge_page_refcount if you change this function */
static int destroy_compound_page(struct page *page, unsigned long order)
{
int i;
--
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