1 files changed, 0 insertions, 17 deletions

diff --git a/include/linux/ksm.h b/include/linux/ksm.h
index 3be6bb18562d..7ae216a39c9e 100644
--- a/include/linux/ksm.h
+++ b/include/linux/ksm.h
@@ -35,18 +35,6 @@ static inline void ksm_exit(struct mm_struct *mm)
                 __ksm_exit(mm);
 }
 
-/*
- * A KSM page is one of those write-protected "shared pages" or "merged pages"
- * which KSM maps into multiple mms, wherever identical anonymous page content
- * is found in VM_MERGEABLE vmas.  It's a PageAnon page, pointing not to any
- * anon_vma, but to that page's node of the stable tree.
- */
-static inline int PageKsm(struct page *page)
-{
-        return ((unsigned long)page->mapping & PAGE_MAPPING_FLAGS) ==
-                                (PAGE_MAPPING_ANON | PAGE_MAPPING_KSM);
-}
-
 static inline struct stable_node *page_stable_node(struct page *page)
 {
         return PageKsm(page) ? page_rmapping(page) : NULL;
@@ -87,11 +75,6 @@ static inline void ksm_exit(struct mm_struct *mm)
 {
 }
 
-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)