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mm: document PageHuge somewhat
[platform/adaptation/renesas_rcar/renesas_kernel.git]
/
mm
/
hugetlb.c
diff --git
a/mm/hugetlb.c
b/mm/hugetlb.c
index
993f7c1
..
59a0059
100644
(file)
--- a/
mm/hugetlb.c
+++ b/
mm/hugetlb.c
@@
-671,6
+671,11
@@
static void prep_compound_gigantic_page(struct page *page, unsigned long order)
}
}
+/*
+ * PageHuge() only returns true for hugetlbfs pages, but not for normal or
+ * transparent huge pages. See the PageTransHuge() documentation for more
+ * details.
+ */
int PageHuge(struct page *page)
{
compound_page_dtor *dtor;