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-rw-r--r--tensorflow/stream_executor/stream.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/tensorflow/stream_executor/stream.h b/tensorflow/stream_executor/stream.h
index 63d64947c8..706442a666 100644
--- a/tensorflow/stream_executor/stream.h
+++ b/tensorflow/stream_executor/stream.h
@@ -125,7 +125,7 @@ class Stream {
Stream *GetOrCreateSubStream() LOCKS_EXCLUDED(mu_);
// Return the sub-stream back to the host stream so that it can be reused
- // later.
+ // later. Sub-streams that are !ok() will not be reused.
void ReturnSubStream(Stream *sub_stream) LOCKS_EXCLUDED(mu_);
// Allocate temporary memories. The stream will deallocate them when blocked