diff options
Diffstat (limited to 'include/linux/vt.h')
-rw-r--r-- | include/linux/vt.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/vt.h b/include/linux/vt.h index 02c1c028877..2ba4d211e30 100644 --- a/include/linux/vt.h +++ b/include/linux/vt.h @@ -18,8 +18,19 @@ extern int unregister_vt_notifier(struct notifier_block *nb); * resizing). */ #define MIN_NR_CONSOLES 1 /* must be at least 1 */ +#if (CONFIG_NR_TTY_DEVICES < 4) +/* Lower Limit */ +#define MAX_NR_CONSOLES 4 /* serial lines start at 64 */ +#define MAX_NR_USER_CONSOLES 4 /* must be root to allocate above this */ +#elif (CONFIG_NR_TTY_DEVICES > 63) +/* Upper Limit */ #define MAX_NR_CONSOLES 63 /* serial lines start at 64 */ #define MAX_NR_USER_CONSOLES 63 /* must be root to allocate above this */ +#else +/* They chose a sensible number */ +#define MAX_NR_CONSOLES CONFIG_NR_TTY_DEVICES +#define MAX_NR_USER_CONSOLES CONFIG_NR_TTY_DEVICES +#endif /* Note: the ioctl VT_GETSTATE does not work for consoles 16 and higher (since it returns a short) */ |