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-rw-r--r--mm/filemap.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/filemap.c b/mm/filemap.c
index c6049e947cd..4fb1546bbad 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -63,6 +63,7 @@ generic_file_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
* ->private_lock (__free_pte->__set_page_dirty_buffers)
* ->swap_lock (exclusive_swap_page, others)
* ->mapping->tree_lock
+ * ->zone.lock
*
* ->i_mutex
* ->i_mmap_lock (truncate->unmap_mapping_range)