Messages in this thread Patch in this message | | | From | Andrea Arcangeli <> | Subject | [PATCH 6/8] mm/hugetlb.c: simplify PageHeadHuge() and PageHuge() | Date | Wed, 20 Nov 2013 18:51:14 +0100 |
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From: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> --- 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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