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printk_ratelimit() functions should use CONFIG_PRINTK

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Makes an embedded image a bit smaller.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joe Perches 2008-02-08 04:21:25 -08:00 committed by Linus Torvalds
parent 36e7891442
commit 7ef3d2fd17
3 changed files with 25 additions and 15 deletions
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18
include/linux/kernel.h
View file

@ -180,6 +180,13 @@ 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)));
@ -190,6 +197,12 @@ 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
extern void __attribute__((format(printf, 1, 2)))
@ -197,11 +210,6 @@ extern void __attribute__((format(printf, 1, 2)))
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;

2
kernel/printk.c
View file

@ -1251,6 +1251,7 @@ void tty_write_message(struct tty_struct *tty, char *msg)
return;
}
#if defined CONFIG_PRINTK
/*
* printk rate limiting, lifted from the networking subsystem.
*
@ -1320,3 +1321,4 @@ bool printk_timed_ratelimit(unsigned long *caller_jiffies,
return false;
}
EXPORT_SYMBOL(printk_timed_ratelimit);
#endif

20
kernel/sysctl.c
View file

@ -73,8 +73,6 @@ 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;
@ -490,14 +488,6 @@ 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,
@ -644,6 +634,15 @@ 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",
@ -661,6 +660,7 @@ static struct ctl_table kern_table[] = {
.mode = 0644,
.proc_handler = &proc_dointvec,
},
#endif
{
.ctl_name = KERN_NGROUPS_MAX,
.procname = "ngroups_max",