Messages in this thread Patch in this message | | | From | Miaohe Lin <> | Subject | [PATCH 1/5] mm/huge_memory.c: remove dedicated macro HPAGE_CACHE_INDEX_MASK | Date | Tue, 27 Apr 2021 21:32:10 +0800 |
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Rewrite the pgoff checking logic to remove macro HPAGE_CACHE_INDEX_MASK which is only used here to simplify the code.
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> --- include/linux/huge_mm.h | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index 9626fda5efce..0a526f211fec 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -152,15 +152,13 @@ static inline bool __transparent_hugepage_enabled(struct vm_area_struct *vma) bool transparent_hugepage_enabled(struct vm_area_struct *vma); -#define HPAGE_CACHE_INDEX_MASK (HPAGE_PMD_NR - 1) - static inline bool transhuge_vma_suitable(struct vm_area_struct *vma, unsigned long haddr) { /* Don't have to check pgoff for anonymous vma */ if (!vma_is_anonymous(vma)) { - if (((vma->vm_start >> PAGE_SHIFT) & HPAGE_CACHE_INDEX_MASK) != - (vma->vm_pgoff & HPAGE_CACHE_INDEX_MASK)) + if (!IS_ALIGNED((vma->vm_start >> PAGE_SHIFT) - vma->vm_pgoff, + HPAGE_PMD_NR)) return false; } -- 2.23.0
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