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Upgrade to 4.4.50-rt62
[kvmfornfv.git]
/
kernel
/
mm
/
huge_memory.c
diff --git
a/kernel/mm/huge_memory.c
b/kernel/mm/huge_memory.c
index
62fe06b
..
530e642
100644
(file)
--- a/
kernel/mm/huge_memory.c
+++ b/
kernel/mm/huge_memory.c
@@
-2134,10
+2134,9
@@
int khugepaged_enter_vma_merge(struct vm_area_struct *vma,
* page fault if needed.
*/
return 0;
* page fault if needed.
*/
return 0;
- if (vma->vm_ops)
+ if (vma->vm_ops
|| (vm_flags & VM_NO_THP)
)
/* khugepaged not yet working on file or special mappings */
return 0;
/* khugepaged not yet working on file or special mappings */
return 0;
- VM_BUG_ON_VMA(vm_flags & VM_NO_THP, vma);
hstart = (vma->vm_start + ~HPAGE_PMD_MASK) & HPAGE_PMD_MASK;
hend = vma->vm_end & HPAGE_PMD_MASK;
if (hstart < hend)
hstart = (vma->vm_start + ~HPAGE_PMD_MASK) & HPAGE_PMD_MASK;
hend = vma->vm_end & HPAGE_PMD_MASK;
if (hstart < hend)
@@
-2498,8
+2497,7
@@
static bool hugepage_vma_check(struct vm_area_struct *vma)
return false;
if (is_vma_temporary_stack(vma))
return false;
return false;
if (is_vma_temporary_stack(vma))
return false;
- VM_BUG_ON_VMA(vma->vm_flags & VM_NO_THP, vma);
- return true;
+ return !(vma->vm_flags & VM_NO_THP);
}
static void collapse_huge_page(struct mm_struct *mm,
}
static void collapse_huge_page(struct mm_struct *mm,