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Subject[tip:timers/core] timer_list: Reduce SEQ_printf footprint
Commit-ID:  7de4e74430139f2484cb16cedf6c281d1a5a696e
Gitweb: http://git.kernel.org/tip/7de4e74430139f2484cb16cedf6c281d1a5a696e
Author: Joe Perches <joe@perches.com>
AuthorDate: Fri, 17 Apr 2015 11:39:18 -0700
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Wed, 22 Apr 2015 12:03:39 +0200

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>
---
kernel/time/timer_list.c | 21 ++++++++++++++-------
1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c
index e878c2e..5960af21 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)
{

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