diff options
Diffstat (limited to 'include/linux/tty.h')
| -rw-r--r-- | include/linux/tty.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/tty.h b/include/linux/tty.h index e421d5e34818..04827ca65781 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h | |||
| @@ -59,6 +59,7 @@ struct tty_bufhead { | |||
| 59 | struct tty_buffer *head; /* Queue head */ | 59 | struct tty_buffer *head; /* Queue head */ |
| 60 | struct tty_buffer *tail; /* Active buffer */ | 60 | struct tty_buffer *tail; /* Active buffer */ |
| 61 | struct tty_buffer *free; /* Free queue head */ | 61 | struct tty_buffer *free; /* Free queue head */ |
| 62 | int memory_used; /* Buffer space used excluding free queue */ | ||
| 62 | }; | 63 | }; |
| 63 | /* | 64 | /* |
| 64 | * The pty uses char_buf and flag_buf as a contiguous buffer | 65 | * The pty uses char_buf and flag_buf as a contiguous buffer |