diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/ksm.h | 13 | ||||
| -rw-r--r-- | include/linux/rmap.h | 6 |
2 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/ksm.h b/include/linux/ksm.h index 157d83dbaef..bed5f16ba82 100644 --- a/include/linux/ksm.h +++ b/include/linux/ksm.h @@ -88,6 +88,9 @@ static inline struct page *ksm_might_need_to_copy(struct page *page, int page_referenced_ksm(struct page *page, struct mem_cgroup *memcg, unsigned long *vm_flags); int try_to_unmap_ksm(struct page *page, enum ttu_flags flags); +int rmap_walk_ksm(struct page *page, int (*rmap_one)(struct page *, + struct vm_area_struct *, unsigned long, void *), void *arg); +void ksm_migrate_page(struct page *newpage, struct page *oldpage); #else /* !CONFIG_KSM */ @@ -127,6 +130,16 @@ static inline int try_to_unmap_ksm(struct page *page, enum ttu_flags flags) { return 0; } + +static inline int rmap_walk_ksm(struct page *page, int (*rmap_one)(struct page*, + struct vm_area_struct *, unsigned long, void *), void *arg) +{ + return 0; +} + +static inline void ksm_migrate_page(struct page *newpage, struct page *oldpage) +{ +} #endif /* !CONFIG_KSM */ #endif /* __LINUX_KSM_H */ diff --git a/include/linux/rmap.h b/include/linux/rmap.h index 980094a527e..b019ae64e2a 100644 --- a/include/linux/rmap.h +++ b/include/linux/rmap.h @@ -164,6 +164,12 @@ struct anon_vma *page_lock_anon_vma(struct page *page); void page_unlock_anon_vma(struct anon_vma *anon_vma); int page_mapped_in_vma(struct page *page, struct vm_area_struct *vma); +/* + * Called by migrate.c to remove migration ptes, but might be used more later. + */ +int rmap_walk(struct page *page, int (*rmap_one)(struct page *, + struct vm_area_struct *, unsigned long, void *), void *arg); + #else /* !CONFIG_MMU */ #define anon_vma_init() do {} while (0) |