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-rw-r--r--mm/khugepaged.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 79d55e10bca9..961cbe9062a5 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -397,10 +397,11 @@ static inline int khugepaged_test_exit(struct mm_struct *mm)
return atomic_read(&mm->mm_users) == 0;
}
-static bool hugepage_vma_check(struct vm_area_struct *vma)
+static bool hugepage_vma_check(struct vm_area_struct *vma,
+ unsigned long vm_flags)
{
- if ((!(vma->vm_flags & VM_HUGEPAGE) && !khugepaged_always()) ||
- (vma->vm_flags & VM_NOHUGEPAGE) ||
+ if ((!(vm_flags & VM_HUGEPAGE) && !khugepaged_always()) ||
+ (vm_flags & VM_NOHUGEPAGE) ||
test_bit(MMF_DISABLE_THP, &vma->vm_mm->flags))
return false;
if (shmem_file(vma->vm_file)) {
@@ -413,7 +414,7 @@ static bool hugepage_vma_check(struct vm_area_struct *vma)
return false;
if (is_vma_temporary_stack(vma))
return false;
- return !(vma->vm_flags & VM_NO_KHUGEPAGED);
+ return !(vm_flags & VM_NO_KHUGEPAGED);
}
int __khugepaged_enter(struct mm_struct *mm)
@@ -458,7 +459,7 @@ int khugepaged_enter_vma_merge(struct vm_area_struct *vma,
* khugepaged does not yet work on non-shmem files or special
* mappings. And file-private shmem THP is not supported.
*/
- if (!hugepage_vma_check(vma))
+ if (!hugepage_vma_check(vma, vm_flags))
return 0;
hstart = (vma->vm_start + ~HPAGE_PMD_MASK) & HPAGE_PMD_MASK;
@@ -861,7 +862,7 @@ static int hugepage_vma_revalidate(struct mm_struct *mm, unsigned long address,
hend = vma->vm_end & HPAGE_PMD_MASK;
if (address < hstart || address + HPAGE_PMD_SIZE > hend)
return SCAN_ADDRESS_RANGE;
- if (!hugepage_vma_check(vma))
+ if (!hugepage_vma_check(vma, vma->vm_flags))
return SCAN_VMA_CHECK;
return 0;
}
@@ -1695,7 +1696,7 @@ static unsigned int khugepaged_scan_mm_slot(unsigned int pages,
progress++;
break;
}
- if (!hugepage_vma_check(vma)) {
+ if (!hugepage_vma_check(vma, vma->vm_flags)) {
skip:
progress++;
continue;