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-rw-r--r--mm/filemap.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/filemap.c b/mm/filemap.c
index dd51c68e2b86..75575c392167 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -104,6 +104,10 @@
*
* ->task->proc_lock
* ->dcache_lock (proc_pid_lookup)
+ *
+ * (code doesn't rely on that order, so you could switch it around)
+ * ->tasklist_lock (memory_failure, collect_procs_ao)
+ * ->i_mmap_lock
*/
/*