[PATCH] memcg-v1: remove folio_memcg_lock() doc reference

[Greg Thelen]

Commit a29c0e4b2e86 ("memcg-v1: remove memcg move locking code") removed
folio_memcg_lock(). Delete the final lingering documentation reference.

Fixes: a29c0e4b2e86 ("memcg-v1: remove memcg move locking code")
Signed-off-by: Greg Thelen <gthelen@xxxxxxxxxx>
---
 Documentation/admin-guide/cgroup-v1/memory.rst | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/Documentation/admin-guide/cgroup-v1/memory.rst b/Documentation/admin-guide/cgroup-v1/memory.rst
index d6b1db8cc7eb..7db63c002922 100644
--- a/Documentation/admin-guide/cgroup-v1/memory.rst
+++ b/Documentation/admin-guide/cgroup-v1/memory.rst
@@ -311,9 +311,8 @@ Lock order is as follows::
 
   folio_lock
     mm->page_table_lock or split pte_lock
-      folio_memcg_lock (memcg->move_lock)
-        mapping->i_pages lock
-          lruvec->lru_lock.
+      mapping->i_pages lock
+        lruvec->lru_lock.
 
 Per-node-per-memcgroup LRU (cgroup's private LRU) is guarded by
 lruvec->lru_lock; the folio LRU flag is cleared before
-- 
2.52.0.358.g0dd7633a29-goog