[PATCH 6/8] mm/hugetlb.c: simplify PageHeadHuge() and PageHuge()
From: Andrea Arcangeli
Date: Wed Nov 20 2013 - 12:52:05 EST
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx>
---
mm/hugetlb.c | 12 ++----------
1 file changed, 2 insertions(+), 10 deletions(-)
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index f03e068..9b8a14b 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -724,15 +724,11 @@ static void prep_compound_gigantic_page(struct page *page, unsigned long order)
*/
int PageHuge(struct page *page)
{
- compound_page_dtor *dtor;
-
if (!PageCompound(page))
return 0;
page = compound_head(page);
- dtor = get_compound_page_dtor(page);
-
- return dtor == free_huge_page;
+ return get_compound_page_dtor(page) == free_huge_page;
}
EXPORT_SYMBOL_GPL(PageHuge);
@@ -742,14 +738,10 @@ EXPORT_SYMBOL_GPL(PageHuge);
*/
int PageHeadHuge(struct page *page_head)
{
- compound_page_dtor *dtor;
-
if (!PageHead(page_head))
return 0;
- dtor = get_compound_page_dtor(page_head);
-
- return dtor == free_huge_page;
+ return get_compound_page_dtor(page_head) == free_huge_page;
}
EXPORT_SYMBOL_GPL(PageHeadHuge);
--
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