[PATCH 5.15 173/667] tracing: incorrect isolate_mote_t cast in mm_vmscan_lru_isolate

From: Greg Kroah-Hartman
Date: Tue Jun 07 2022 - 14:37:08 EST


From: Vasily Averin <vvs@xxxxxxxxxx>

[ 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@xxxxxxxxxx
Signed-off-by: Vasily Averin <vvs@xxxxxxxxxx>
Acked-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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