rmap: remove page_unlock_anon_vma_read()

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

Link: https://lkml.kernel.org/r/20220902194653.1739778-56-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/include/linux/rmap.h b/include/linux/rmap.h
index 3d56e3712bb2a2bb7c25d10c48db3ac9ac3ffbba..ca3e4ba6c58c4006699aae68b5919d238046abf2 100644 (file)
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -458,13 +458,8 @@ 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 e554f9f583ca931c6f92eacc436471ebdba21733..145bb561ddb3ad2b8a0b723a4fec4fc2ef487254 100644 (file)
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -529,7 +529,7 @@ 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 86511e633fcdafadd041a03beaabf6b37b44195e..0b9264e58d256005a02241a489a489ad0779f50e 100644 (file)
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -599,11 +599,6 @@ out:
        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