[PATCH 09 of 25] comment reminder in destroy_compound_page

Andrea Arcangeli
2009-11-14T18:10:25Z

Warn destroy_compound_page that __split_huge_page_refcount is heavily dependent
on its internal behavior.

Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
---

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -310,6 +310,7 @@ 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;