On 11/12/2015 08:54 AM, yalin wang wrote:
Move node_id zone_idx shrink flags into trace function,
so thay we don't need caculate these args if the trace is disabled,
and will make this function have less arguments.

Signed-off-by: yalin wang <yalin.wang2...@gmail.com>
---
  include/trace/events/vmscan.h | 14 +++++++-------
  mm/vmscan.c                   |  7 ++-----
  2 files changed, 9 insertions(+), 12 deletions(-)

diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h
index dae7836..f8d6b34 100644
--- a/include/trace/events/vmscan.h
+++ b/include/trace/events/vmscan.h
@@ -352,11 +352,11 @@ TRACE_EVENT(mm_vmscan_writepage,

  TRACE_EVENT(mm_vmscan_lru_shrink_inactive,

-       TP_PROTO(int nid, int zid,
-                       unsigned long nr_scanned, unsigned long nr_reclaimed,
-                       int priority, int reclaim_flags),
+       TP_PROTO(struct zone *zone,
+               unsigned long nr_scanned, unsigned long nr_reclaimed,
+               int priority, int file),

-       TP_ARGS(nid, zid, nr_scanned, nr_reclaimed, priority, reclaim_flags),
+       TP_ARGS(zone, nr_scanned, nr_reclaimed, priority, file),

        TP_STRUCT__entry(
                __field(int, nid)
@@ -368,12 +368,12 @@ TRACE_EVENT(mm_vmscan_lru_shrink_inactive,
        ),

        TP_fast_assign(
-               __entry->nid = nid;
-               __entry->zid = zid;
+               __entry->nid = zone->zone_pgdat->node_id;

While at it, convert it to zone_to_nid()? It's not just encapsulation, but also one less pointer dereference.

Then you can add my Acked-by.

Thanks.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to