[PATCH RT] tracing: make preempt_lazy and migrate_disable counter smaller

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The migrate_disable counter should not exceed 255 so it is enough to
store it in an 8bit field.
With this change we can move the `preempt_lazy_count' member into the
gap so the whole struct shrinks by 4 bytes to 12 bytes in total.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
---
 include/linux/trace_events.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h
index f3b1ef07e4a5f..c8b3f06cb5ed7 100644
--- a/include/linux/trace_events.h
+++ b/include/linux/trace_events.h
@@ -62,9 +62,9 @@ struct trace_entry {
 	unsigned char		flags;
 	unsigned char		preempt_count;
 	int			pid;
-	unsigned short		migrate_disable;
-	unsigned short		padding;
+	unsigned char		migrate_disable;
 	unsigned char		preempt_lazy_count;
+	unsigned short		padding;
 };
 
 #define TRACE_EVENT_TYPE_MAX						\
-- 
2.25.0




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