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mm/khugepaged: use vma_is_anonymous

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Clean up the vma->vm_ops usage.  Use vma_is_anonymous instead of
vma->vm_ops to make it more understandable.

Link: https://lkml.kernel.org/r/20220424071642.3234971-1-xu.xin16@zte.com.cn
Signed-off-by: xu xin <xu.xin16@zte.com.cn>
Reviewed-by: Yang Shi <shy828301@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
xu xin 2022-04-29 14:36:58 -07:00 committed by akpm
parent 30a514002d
commit 25fa414ada
1 changed files with 2 additions and 2 deletions
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4
mm/khugepaged.c
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@ -466,7 +466,7 @@ static bool hugepage_vma_check(struct vm_area_struct *vma,
S_ISREG(inode->i_mode); S_ISREG(inode->i_mode);
} }
if (!vma->anon_vma || vma->vm_ops) if (!vma->anon_vma || !vma_is_anonymous(vma))
return false; return false;
if (vma_is_temporary_stack(vma)) if (vma_is_temporary_stack(vma))
return false; return false;
@ -972,7 +972,7 @@ static int hugepage_vma_revalidate(struct mm_struct *mm, unsigned long address,
if (!hugepage_vma_check(vma, vma->vm_flags)) if (!hugepage_vma_check(vma, vma->vm_flags))
return SCAN_VMA_CHECK; return SCAN_VMA_CHECK;
/* Anon VMA expected */ /* Anon VMA expected */
if (!vma->anon_vma || vma->vm_ops) if (!vma->anon_vma || !vma_is_anonymous(vma))
return SCAN_VMA_CHECK; return SCAN_VMA_CHECK;
return 0; return 0;
} }