diff options
Diffstat (limited to 'include/linux/ksm.h')
| -rw-r--r-- | include/linux/ksm.h | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/include/linux/ksm.h b/include/linux/ksm.h index bed5f16ba827..43bdab769fc3 100644 --- a/include/linux/ksm.h +++ b/include/linux/ksm.h @@ -94,12 +94,6 @@ void ksm_migrate_page(struct page *newpage, struct page *oldpage); #else /* !CONFIG_KSM */ -static inline int ksm_madvise(struct vm_area_struct *vma, unsigned long start, - unsigned long end, int advice, unsigned long *vm_flags) -{ - return 0; -} - static inline int ksm_fork(struct mm_struct *mm, struct mm_struct *oldmm) { return 0; @@ -114,6 +108,13 @@ static inline int PageKsm(struct page *page) return 0; } +#ifdef CONFIG_MMU +static inline int ksm_madvise(struct vm_area_struct *vma, unsigned long start, + unsigned long end, int advice, unsigned long *vm_flags) +{ + return 0; +} + static inline struct page *ksm_might_need_to_copy(struct page *page, struct vm_area_struct *vma, unsigned long address) { @@ -140,6 +141,7 @@ static inline int rmap_walk_ksm(struct page *page, int (*rmap_one)(struct page*, static inline void ksm_migrate_page(struct page *newpage, struct page *oldpage) { } +#endif /* CONFIG_MMU */ #endif /* !CONFIG_KSM */ #endif /* __LINUX_KSM_H */ |