On 08/24/2016 10:23 AM, Eric Dumazet wrote:
From: Eric Dumazet <eduma...@google.com>
per_cpu_inc() is faster (at least on x86) than per_cpu_ptr(xxx)++;
Is it possible it is non-trivially slower on other architectures?
rick jones
Signed-off-by: Eric Dumazet <eduma...@google.com>
---
include/net/sch_generic.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index
0d501779cc68f9426e58da6d039dd64adc937c20..52a2015667b49c8315edbb26513a98d4c677fee5
100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -592,7 +592,7 @@ static inline void qdisc_qstats_drop(struct Qdisc *sch)
static inline void qdisc_qstats_cpu_drop(struct Qdisc *sch)
{
- qstats_drop_inc(this_cpu_ptr(sch->cpu_qstats));
+ this_cpu_inc(sch->cpu_qstats->drops);
}
static inline void qdisc_qstats_overlimit(struct Qdisc *sch)
