diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/khugepaged.h')
-rw-r--r-- | ANDROID_3.4.5/include/linux/khugepaged.h | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/ANDROID_3.4.5/include/linux/khugepaged.h b/ANDROID_3.4.5/include/linux/khugepaged.h deleted file mode 100644 index 6b394f0b..00000000 --- a/ANDROID_3.4.5/include/linux/khugepaged.h +++ /dev/null @@ -1,67 +0,0 @@ -#ifndef _LINUX_KHUGEPAGED_H -#define _LINUX_KHUGEPAGED_H - -#include <linux/sched.h> /* MMF_VM_HUGEPAGE */ - -#ifdef CONFIG_TRANSPARENT_HUGEPAGE -extern int __khugepaged_enter(struct mm_struct *mm); -extern void __khugepaged_exit(struct mm_struct *mm); -extern int khugepaged_enter_vma_merge(struct vm_area_struct *vma); - -#define khugepaged_enabled() \ - (transparent_hugepage_flags & \ - ((1<<TRANSPARENT_HUGEPAGE_FLAG) | \ - (1<<TRANSPARENT_HUGEPAGE_REQ_MADV_FLAG))) -#define khugepaged_always() \ - (transparent_hugepage_flags & \ - (1<<TRANSPARENT_HUGEPAGE_FLAG)) -#define khugepaged_req_madv() \ - (transparent_hugepage_flags & \ - (1<<TRANSPARENT_HUGEPAGE_REQ_MADV_FLAG)) -#define khugepaged_defrag() \ - (transparent_hugepage_flags & \ - (1<<TRANSPARENT_HUGEPAGE_DEFRAG_KHUGEPAGED_FLAG)) - -static inline int khugepaged_fork(struct mm_struct *mm, struct mm_struct *oldmm) -{ - if (test_bit(MMF_VM_HUGEPAGE, &oldmm->flags)) - return __khugepaged_enter(mm); - return 0; -} - -static inline void khugepaged_exit(struct mm_struct *mm) -{ - if (test_bit(MMF_VM_HUGEPAGE, &mm->flags)) - __khugepaged_exit(mm); -} - -static inline int khugepaged_enter(struct vm_area_struct *vma) -{ - if (!test_bit(MMF_VM_HUGEPAGE, &vma->vm_mm->flags)) - if ((khugepaged_always() || - (khugepaged_req_madv() && - vma->vm_flags & VM_HUGEPAGE)) && - !(vma->vm_flags & VM_NOHUGEPAGE)) - if (__khugepaged_enter(vma->vm_mm)) - return -ENOMEM; - return 0; -} -#else /* CONFIG_TRANSPARENT_HUGEPAGE */ -static inline int khugepaged_fork(struct mm_struct *mm, struct mm_struct *oldmm) -{ - return 0; -} -static inline void khugepaged_exit(struct mm_struct *mm) -{ -} -static inline int khugepaged_enter(struct vm_area_struct *vma) -{ - return 0; -} -static inline int khugepaged_enter_vma_merge(struct vm_area_struct *vma) -{ - return 0; -} -#endif /* CONFIG_TRANSPARENT_HUGEPAGE */ - -#endif /* _LINUX_KHUGEPAGED_H */ |