[PATCH 58/59] rmap: Remove page_unlock_anon_vma_read()

["Matthew Wilcox (Oracle)" <willy@infradead.org>]

This was simply an alias for anon_vma_unlock_read() since 2011.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
 include/linux/rmap.h | 5 -----
 mm/memory-failure.c  | 2 +-
 mm/rmap.c            | 5 -----
 3 files changed, 1 insertion(+), 11 deletions(-)

diff --git a/include/linux/rmap.h b/include/linux/rmap.h
index 4fde1cf5a5e8..1c6cc96925a4 100644
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -402,13 +402,8 @@ struct rmap_walk_control {
 
 void rmap_walk(struct folio *folio, struct rmap_walk_control *rwc);
 void rmap_walk_locked(struct folio *folio, struct rmap_walk_control *rwc);
-
-/*
- * Called by memory-failure.c to kill processes.
- */
 struct anon_vma *folio_lock_anon_vma_read(struct folio *folio,
 					  struct rmap_walk_control *rwc);
-void page_unlock_anon_vma_read(struct anon_vma *anon_vma);
 
 #else	/* !CONFIG_MMU */
 
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 9a7a228ad04a..794b111b327f 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -521,7 +521,7 @@ static void collect_procs_anon(struct page *page, struct list_head *to_kill,
 		}
 	}
 	read_unlock(&tasklist_lock);
-	page_unlock_anon_vma_read(av);
+	anon_vma_unlock_read(av);
 }
 
 /*
diff --git a/mm/rmap.c b/mm/rmap.c
index dcb856150295..d025ad00e63c 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -599,11 +599,6 @@ struct anon_vma *folio_lock_anon_vma_read(struct folio *folio,
 	return anon_vma;
 }
 
-void page_unlock_anon_vma_read(struct anon_vma *anon_vma)
-{
-	anon_vma_unlock_read(anon_vma);
-}
-
 #ifdef CONFIG_ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH
 /*
  * Flush TLB entries for recently unmapped pages from remote CPUs. It is
-- 
2.35.1