On Fri, Dec 14, 2007 at 11:00:35AM -0800, Joe Perches wrote:
> Makes an embedded image a bit smaller
Looks good to me. This should probably go to Andrew first though. And
it wouldn't hurt to see some size(1) results.
Acked-by: Matt Mackall <[email protected]>
>
> Signed-off-by: Joe Perches <[email protected]>
> ---
> include/linux/kernel.h | 20 +++++++++++++++-----
> kernel/printk.c | 2 ++
> kernel/sysctl.c | 20 ++++++++++----------
> 3 files changed, 27 insertions(+), 15 deletions(-)
>
> diff --git a/include/linux/kernel.h b/include/linux/kernel.h
> index 94bc996..db2d5e7 100644
> --- a/include/linux/kernel.h
> +++ b/include/linux/kernel.h
> @@ -182,6 +182,13 @@ asmlinkage int printk(const char * fmt, ...)
> extern int log_buf_get_len(void);
> extern int log_buf_read(int idx);
> extern int log_buf_copy(char *dest, int idx, int len);
> +
> +extern int printk_ratelimit_jiffies;
> +extern int printk_ratelimit_burst;
> +extern int printk_ratelimit(void);
> +extern int __printk_ratelimit(int ratelimit_jiffies, int ratelimit_burst);
> +extern bool printk_timed_ratelimit(unsigned long *caller_jiffies,
> + unsigned int interval_msec);
> #else
> static inline int vprintk(const char *s, va_list args)
> __attribute__ ((format (printf, 1, 0)));
> @@ -192,15 +199,18 @@ static inline int __cold printk(const char *s, ...) { return 0; }
> static inline int log_buf_get_len(void) { return 0; }
> static inline int log_buf_read(int idx) { return 0; }
> static inline int log_buf_copy(char *dest, int idx, int len) { return 0; }
> +
> +static inline int printk_ratelimit(void) { return 0; }
> +static inline int __printk_ratelimit(int ratelimit_jiffies, \
> + int ratelimit_burst) { return 0; }
> +static inline bool printk_timed_ratelimit(unsigned long *caller_jiffies, \
> + unsigned int interval_msec) \
> + { return false; }
> +
> #endif
>
> unsigned long int_sqrt(unsigned long);
>
> -extern int printk_ratelimit(void);
> -extern int __printk_ratelimit(int ratelimit_jiffies, int ratelimit_burst);
> -extern bool printk_timed_ratelimit(unsigned long *caller_jiffies,
> - unsigned int interval_msec);
> -
> static inline void console_silent(void)
> {
> console_loglevel = 0;
> diff --git a/kernel/printk.c b/kernel/printk.c
> index a30fe33..2259540 100644
> --- a/kernel/printk.c
> +++ b/kernel/printk.c
> @@ -1235,6 +1235,7 @@ void tty_write_message(struct tty_struct *tty, char *msg)
> return;
> }
>
> +#if defined CONFIG_PRINTK
> /*
> * printk rate limiting, lifted from the networking subsystem.
> *
> @@ -1304,3 +1305,4 @@ bool printk_timed_ratelimit(unsigned long *caller_jiffies,
> return false;
> }
> EXPORT_SYMBOL(printk_timed_ratelimit);
> +#endif
> diff --git a/kernel/sysctl.c b/kernel/sysctl.c
> index 8ac5171..f60b9e4 100644
> --- a/kernel/sysctl.c
> +++ b/kernel/sysctl.c
> @@ -72,8 +72,6 @@ extern int suid_dumpable;
> extern char core_pattern[];
> extern int pid_max;
> extern int min_free_kbytes;
> -extern int printk_ratelimit_jiffies;
> -extern int printk_ratelimit_burst;
> extern int pid_max_min, pid_max_max;
> extern int sysctl_drop_caches;
> extern int percpu_pagelist_fraction;
> @@ -462,14 +460,6 @@ static struct ctl_table kern_table[] = {
> .mode = 0644,
> .proc_handler = &proc_dointvec,
> },
> - {
> - .ctl_name = KERN_PRINTK,
> - .procname = "printk",
> - .data = &console_loglevel,
> - .maxlen = 4*sizeof(int),
> - .mode = 0644,
> - .proc_handler = &proc_dointvec,
> - },
> #ifdef CONFIG_KMOD
> {
> .ctl_name = KERN_MODPROBE,
> @@ -616,6 +606,15 @@ static struct ctl_table kern_table[] = {
> .mode = 0644,
> .proc_handler = &proc_dointvec,
> },
> +#if defined CONFIG_PRINTK
> + {
> + .ctl_name = KERN_PRINTK,
> + .procname = "printk",
> + .data = &console_loglevel,
> + .maxlen = 4*sizeof(int),
> + .mode = 0644,
> + .proc_handler = &proc_dointvec,
> + },
> {
> .ctl_name = KERN_PRINTK_RATELIMIT,
> .procname = "printk_ratelimit",
> @@ -633,6 +632,7 @@ static struct ctl_table kern_table[] = {
> .mode = 0644,
> .proc_handler = &proc_dointvec,
> },
> +#endif
> {
> .ctl_name = KERN_NGROUPS_MAX,
> .procname = "ngroups_max",
>
--
Mathematics is the supreme nostalgia of our time.
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