linux-kernel - [PATCH 5.15 173/667] tracing: incorrect isolate_mote_t cast in mm_vmscan_lru

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Message-Id: <20220607164940.000223960@linuxfoundation.org>
Date:   Tue,  7 Jun 2022 18:57:18 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Vasily Averin <vvs@...nvz.org>,
        "Steven Rostedt (Google)" <rostedt@...dmis.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.15 173/667] tracing: incorrect isolate_mote_t cast in mm_vmscan_lru_isolate

From: Vasily Averin <vvs@...nvz.org>

[ Upstream commit 2b132903de7124dd9a758be0c27562e91a510848 ]

Fixes following sparse warnings:

  CHECK   mm/vmscan.c
mm/vmscan.c: note: in included file (through
include/trace/trace_events.h, include/trace/define_trace.h,
include/trace/events/vmscan.h):
./include/trace/events/vmscan.h:281:1: sparse: warning:
 cast to restricted isolate_mode_t
./include/trace/events/vmscan.h:281:1: sparse: warning:
 restricted isolate_mode_t degrades to integer

Link: https://lkml.kernel.org/r/e85d7ff2-fd10-53f8-c24e-ba0458439c1b@openvz.org
Signed-off-by: Vasily Averin <vvs@...nvz.org>
Acked-by: Steven Rostedt (Google) <rostedt@...dmis.org>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 include/trace/events/vmscan.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h
index 88faf2400ec2..b2eeeb080012 100644
--- a/include/trace/events/vmscan.h
+++ b/include/trace/events/vmscan.h
@@ -283,7 +283,7 @@ TRACE_EVENT(mm_vmscan_lru_isolate,
 		__field(unsigned long, nr_scanned)
 		__field(unsigned long, nr_skipped)
 		__field(unsigned long, nr_taken)
-		__field(isolate_mode_t, isolate_mode)
+		__field(unsigned int, isolate_mode)
 		__field(int, lru)
 	),
 
@@ -294,7 +294,7 @@ TRACE_EVENT(mm_vmscan_lru_isolate,
 		__entry->nr_scanned = nr_scanned;
 		__entry->nr_skipped = nr_skipped;
 		__entry->nr_taken = nr_taken;
-		__entry->isolate_mode = isolate_mode;
+		__entry->isolate_mode = (__force unsigned int)isolate_mode;
 		__entry->lru = lru;
 	),
 
-- 
2.35.1