[PATCH] tracing: adjust shrink_slab beginning trace event name

[Rafael Aquini <aquini@redhat.com>]

While reviewing vmscan tracing events, I realized all functions which establish paired tracepoints (one at the beginning and another at the end of the function block) were following this naming pattern:
  <tracepoint-name>_begin
  <tarcepoint-name>_end

However, the 'beginning' tracing event for shrink_slab() did not follow the aforementioned naming pattern. This patch renames that trace event to adjust this naming inconsistency.

Signed-off-by: Rafael Aquini <aquini@redhat.com>
---
 include/trace/events/vmscan.h |    2 +-
 mm/vmscan.c                   |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h
index edc4b3d..615bd6d 100644
--- a/include/trace/events/vmscan.h
+++ b/include/trace/events/vmscan.h
@@ -179,7 +179,7 @@ DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_re
 	TP_ARGS(nr_reclaimed)
 );
 
-TRACE_EVENT(mm_shrink_slab_start,
+TRACE_EVENT(mm_shrink_slab_begin,
 	TP_PROTO(struct shrinker *shr, struct shrink_control *sc,
 		long nr_objects_to_shrink, unsigned long pgs_scanned,
 		unsigned long lru_pgs, unsigned long cache_items,
diff --git a/mm/vmscan.c b/mm/vmscan.c
index f54a05b..b24a593 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -301,7 +301,7 @@ unsigned long shrink_slab(struct shrink_control *shrink,
 		if (total_scan > max_pass * 2)
 			total_scan = max_pass * 2;
 
-		trace_mm_shrink_slab_start(shrinker, shrink, nr,
+		trace_mm_shrink_slab_begin(shrinker, shrink, nr,
 					nr_pages_scanned, lru_pages,
 					max_pass, delta, total_scan);
 
-- 
1.7.7.4

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