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-rw-r--r--mm/hugetlb.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 993f7c1820a8..59a0059b39e2 100644
--- 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;