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SubjectRe: [PATCH printk 13/18] printk: Move buffer size defines
On Sat 2022-09-24 02:10:49, John Ogness wrote:
> From: Thomas Gleixner <tglx@linutronix.de>
>
> Move the buffer size defines to console.h in preparation of adding a buffer
> structure.
>
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> Signed-off-by: John Ogness <john.ogness@linutronix.de>
> ---
> include/linux/console.h | 14 ++++++++++++++
> include/linux/printk.h | 2 --
> kernel/printk/printk.c | 8 --------
> 3 files changed, 14 insertions(+), 10 deletions(-)
>
> diff --git a/include/linux/console.h b/include/linux/console.h
> index dc0df9d9e7d9..3bb5bc62e154 100644
> --- a/include/linux/console.h
> +++ b/include/linux/console.h
> @@ -122,6 +122,20 @@ static inline int con_debug_leave(void)
> #define CM_ERASE (2)
> #define CM_MOVE (3)
>
> +#ifdef CONFIG_PRINTK
> +/* The maximum size of a formatted record (i.e. with prefix added per line) */
> +#define CONSOLE_LOG_MAX 1024
> +
> +/* The maximum size for a dropped text message */
> +#define DROPPED_TEXT_MAX 64
> +#else
> +#define CONSOLE_LOG_MAX 0
> +#define DROPPED_TEXT_MAX 0
> +#endif
> +
> +/* The maximum size of an formatted extended record */
> +#define CONSOLE_EXT_LOG_MAX 8192

It seems that all these defines are going to be used only under
kernel/printk/. I would prefer to move them into
kernel/printk/internal.h or another internal header file there.

Any public API can be misused. And these are rather implementation
details.

Best Regards,
Petr

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