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-rw-r--r--include/linux/tty_buffer.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/tty_buffer.h b/include/linux/tty_buffer.h
index 3b9d77604291..1796648c2907 100644
--- a/include/linux/tty_buffer.h
+++ b/include/linux/tty_buffer.h
@@ -15,6 +15,7 @@ struct tty_buffer {
int used;
int size;
int commit;
+ int lookahead; /* Lazy update on recv, can become less than "read" */
int read;
int flags;
/* Data points here */