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Diffstat (limited to 'include/linux/khugepaged.h')
-rw-r--r--include/linux/khugepaged.h17
1 files changed, 10 insertions, 7 deletions
diff --git a/include/linux/khugepaged.h b/include/linux/khugepaged.h
index 6b394f0b5148..eeb307985715 100644
--- a/include/linux/khugepaged.h
+++ b/include/linux/khugepaged.h
@@ -6,7 +6,8 @@
6#ifdef CONFIG_TRANSPARENT_HUGEPAGE 6#ifdef CONFIG_TRANSPARENT_HUGEPAGE
7extern int __khugepaged_enter(struct mm_struct *mm); 7extern int __khugepaged_enter(struct mm_struct *mm);
8extern void __khugepaged_exit(struct mm_struct *mm); 8extern void __khugepaged_exit(struct mm_struct *mm);
9extern int khugepaged_enter_vma_merge(struct vm_area_struct *vma); 9extern int khugepaged_enter_vma_merge(struct vm_area_struct *vma,
10 unsigned long vm_flags);
10 11
11#define khugepaged_enabled() \ 12#define khugepaged_enabled() \
12 (transparent_hugepage_flags & \ 13 (transparent_hugepage_flags & \
@@ -35,13 +36,13 @@ static inline void khugepaged_exit(struct mm_struct *mm)
35 __khugepaged_exit(mm); 36 __khugepaged_exit(mm);
36} 37}
37 38
38static inline int khugepaged_enter(struct vm_area_struct *vma) 39static inline int khugepaged_enter(struct vm_area_struct *vma,
40 unsigned long vm_flags)
39{ 41{
40 if (!test_bit(MMF_VM_HUGEPAGE, &vma->vm_mm->flags)) 42 if (!test_bit(MMF_VM_HUGEPAGE, &vma->vm_mm->flags))
41 if ((khugepaged_always() || 43 if ((khugepaged_always() ||
42 (khugepaged_req_madv() && 44 (khugepaged_req_madv() && (vm_flags & VM_HUGEPAGE))) &&
43 vma->vm_flags & VM_HUGEPAGE)) && 45 !(vm_flags & VM_NOHUGEPAGE))
44 !(vma->vm_flags & VM_NOHUGEPAGE))
45 if (__khugepaged_enter(vma->vm_mm)) 46 if (__khugepaged_enter(vma->vm_mm))
46 return -ENOMEM; 47 return -ENOMEM;
47 return 0; 48 return 0;
@@ -54,11 +55,13 @@ static inline int khugepaged_fork(struct mm_struct *mm, struct mm_struct *oldmm)
54static inline void khugepaged_exit(struct mm_struct *mm) 55static inline void khugepaged_exit(struct mm_struct *mm)
55{ 56{
56} 57}
57static inline int khugepaged_enter(struct vm_area_struct *vma) 58static inline int khugepaged_enter(struct vm_area_struct *vma,
59 unsigned long vm_flags)
58{ 60{
59 return 0; 61 return 0;
60} 62}
61static inline int khugepaged_enter_vma_merge(struct vm_area_struct *vma) 63static inline int khugepaged_enter_vma_merge(struct vm_area_struct *vma,
64 unsigned long vm_flags)
62{ 65{
63 return 0; 66 return 0;
64} 67}