1 files changed, 5 insertions, 3 deletions

diff --git a/mm/rmap.c b/mm/rmap.c
index f5ad996a4a8f..1a8bf76bfd03 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -80,7 +80,7 @@ static inline struct anon_vma_chain *anon_vma_chain_alloc(void)
         return kmem_cache_alloc(anon_vma_chain_cachep, GFP_KERNEL);
 }
 
-void anon_vma_chain_free(struct anon_vma_chain *anon_vma_chain)
+static void anon_vma_chain_free(struct anon_vma_chain *anon_vma_chain)
 {
         kmem_cache_free(anon_vma_chain_cachep, anon_vma_chain);
 }
@@ -314,7 +314,7 @@ void __init anon_vma_init(void)
  * Getting a lock on a stable anon_vma from a page off the LRU is
  * tricky: page_lock_anon_vma rely on RCU to guard against the races.
  */
-struct anon_vma *page_lock_anon_vma(struct page *page)
+struct anon_vma *__page_lock_anon_vma(struct page *page)
 {
         struct anon_vma *anon_vma, *root_anon_vma;
         unsigned long anon_mapping;
@@ -348,6 +348,8 @@ out:
 }
 
 void page_unlock_anon_vma(struct anon_vma *anon_vma)
+        __releases(&anon_vma->root->lock)
+        __releases(RCU)
 {
         anon_vma_unlock(anon_vma);
         rcu_read_unlock();
@@ -407,7 +409,7 @@ unsigned long page_address_in_vma(struct page *page, struct vm_area_struct *vma)
  *
  * On success returns with pte mapped and locked.
  */
-pte_t *page_check_address(struct page *page, struct mm_struct *mm,
+pte_t *__page_check_address(struct page *page, struct mm_struct *mm,
                           unsigned long address, spinlock_t **ptlp, int sync)
 {
         pgd_t *pgd;