[PATCH] mm: remove unused anon_vma_trylock_write()

[Hao Li]

The last user of anon_vma_trylock_write() was removed by cc22b9978509,
leaving the helper unused. Remove it.

Signed-off-by: Hao Li <hao.li@xxxxxxxxx>
---
 mm/internal.h | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/mm/internal.h b/mm/internal.h
index 68db5abd0a4c..9069013d191f 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -298,11 +298,6 @@ static inline void anon_vma_lock_write(struct anon_vma *anon_vma)
 	down_write(&anon_vma->root->rwsem);
 }
 
-static inline int anon_vma_trylock_write(struct anon_vma *anon_vma)
-{
-	return down_write_trylock(&anon_vma->root->rwsem);
-}
-
 static inline void anon_vma_unlock_write(struct anon_vma *anon_vma)
 {
 	up_write(&anon_vma->root->rwsem);
-- 
2.54.0