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| author | Joe Perches <joe@perches.com> | 2015-04-17 11:39:18 -0700 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-04-22 12:03:39 +0200 |
| commit | 7de4e74430139f2484cb16cedf6c281d1a5a696e (patch) | |
| tree | 10a587f0ac3df845c85f8a78728edcfe1d603d0c /kernel/time/timer_list.c | |
| parent | 646da63172f660ba84f195c1165360a9b73583ee (diff) | |
| download | lwn-7de4e74430139f2484cb16cedf6c281d1a5a696e.tar.gz lwn-7de4e74430139f2484cb16cedf6c281d1a5a696e.zip | |
timer_list: Reduce SEQ_printf footprint
This macro can be converted to a static function to reduce
object size.
(x86-64 defconfig)
$ size kernel/time/timer_list.o*
text data bss dec hex filename
6583 8 0 6591 19bf kernel/time/timer_list.o.old
4647 8 0 4655 122f kernel/time/timer_list.o.new
Signed-off-by: Joe Perches <joe@perches.com>
Cc: John Stultz <john.stultz@linaro.org>
Link: http://lkml.kernel.org/r/1429295958.2850.104.camel@perches.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/time/timer_list.c')
| -rw-r--r-- | kernel/time/timer_list.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c index e878c2e0ba45..5960af2196ac 100644 --- a/kernel/time/timer_list.c +++ b/kernel/time/timer_list.c @@ -35,13 +35,20 @@ DECLARE_PER_CPU(struct hrtimer_cpu_base, hrtimer_bases); * This allows printing both to /proc/timer_list and * to the console (on SysRq-Q): */ -#define SEQ_printf(m, x...) \ - do { \ - if (m) \ - seq_printf(m, x); \ - else \ - printk(x); \ - } while (0) +__printf(2, 3) +static void SEQ_printf(struct seq_file *m, const char *fmt, ...) +{ + va_list args; + + va_start(args, fmt); + + if (m) + seq_vprintf(m, fmt, args); + else + vprintk(fmt, args); + + va_end(args); +} static void print_name_offset(struct seq_file *m, void *sym) { |