linux-kernel - [PATCH 1/7] mm, vmscan: remove unused mm_vmscan_memcg

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Date:   Wed, 28 Dec 2016 16:30:26 +0100
From:   Michal Hocko <mhocko@...nel.org>
To:     <linux-mm@...ck.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Mel Gorman <mgorman@...e.de>,
        Johannes Weiner <hannes@...xchg.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        Rik van Riel <riel@...hat.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Michal Hocko <mhocko@...e.com>
Subject: [PATCH 1/7] mm, vmscan: remove unused mm_vmscan_memcg_isolate

From: Michal Hocko <mhocko@...e.com>

the trace point is not used since 925b7673cce3 ("mm: make per-memcg LRU
lists exclusive") so it can be removed.

Signed-off-by: Michal Hocko <mhocko@...e.com>
---
 include/trace/events/vmscan.h | 31 +------------------------------
 1 file changed, 1 insertion(+), 30 deletions(-)

diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h
index c88fd0934e7e..39bad8921ca1 100644
--- a/include/trace/events/vmscan.h
+++ b/include/trace/events/vmscan.h
@@ -269,8 +269,7 @@ TRACE_EVENT(mm_shrink_slab_end,
 		__entry->retval)
 );
 
-DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template,
-
+TRACE_EVENT(mm_vmscan_lru_isolate,
 	TP_PROTO(int classzone_idx,
 		int order,
 		unsigned long nr_requested,
@@ -311,34 +310,6 @@ DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template,
 		__entry->file)
 );
 
-DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_lru_isolate,
-
-	TP_PROTO(int classzone_idx,
-		int order,
-		unsigned long nr_requested,
-		unsigned long nr_scanned,
-		unsigned long nr_taken,
-		isolate_mode_t isolate_mode,
-		int file),
-
-	TP_ARGS(classzone_idx, order, nr_requested, nr_scanned, nr_taken, isolate_mode, file)
-
-);
-
-DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_memcg_isolate,
-
-	TP_PROTO(int classzone_idx,
-		int order,
-		unsigned long nr_requested,
-		unsigned long nr_scanned,
-		unsigned long nr_taken,
-		isolate_mode_t isolate_mode,
-		int file),
-
-	TP_ARGS(classzone_idx, order, nr_requested, nr_scanned, nr_taken, isolate_mode, file)
-
-);
-
 TRACE_EVENT(mm_vmscan_writepage,
 
 	TP_PROTO(struct page *page),
-- 
2.10.2