Messages in this thread Patch in this message | | | Subject | [PATCH] sched/debug: Reduce SEQ_printf footprint | From | Joe Perches <> | Date | Fri, 17 Apr 2015 11:39:28 -0700 |
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This macro can be converted to a static inline to reduce object size.
(x86-64 defconfig, with SCHED_DEBUG)
$ size kernel/sched/debug.o* text data bss dec hex filename 13885 8 4098 17991 4647 kernel/sched/debug.o.new 20413 8 4098 24519 5fc7 kernel/sched/debug.o.old
Signed-off-by: Joe Perches <joe@perches.com> --- kernel/sched/debug.c | 21 ++++++++++++++------- 1 file changed, 14 insertions(+), 7 deletions(-)
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index a245c1f..c7932cc 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -25,13 +25,20 @@ static DEFINE_SPINLOCK(sched_debug_lock); * This allows printing both to /proc/sched_debug and * to the console */ -#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); +} /* * Ease the printing of nsec fields:
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