| Subject | [PATCH 34 of 66] add PageTransCompound | Date | Wed, 03 Nov 2010 16:28:09 +0100 | From | Andrea Arcangeli <> |
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From: Andrea Arcangeli <aarcange@redhat.com>
Remove branches when CONFIG_TRANSPARENT_HUGEPAGE=n.
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> ---
diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -105,6 +105,10 @@ static inline int PageTransHuge(struct p VM_BUG_ON(PageTail(page)); return PageHead(page); } +static inline int PageTransCompound(struct page *page) +{ + return PageCompound(page); +} #else /* CONFIG_TRANSPARENT_HUGEPAGE */ #define HPAGE_PMD_SHIFT ({ BUG(); 0; }) #define HPAGE_PMD_MASK ({ BUG(); 0; }) @@ -122,6 +126,7 @@ static inline int split_huge_page(struct #define wait_split_huge_page(__anon_vma, __pmd) \ do { } while (0) #define PageTransHuge(page) 0 +#define PageTransCompound(page) 0 static inline int hugepage_madvise(unsigned long *vm_flags) { BUG_ON(0);
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