linux-kernel - [PATCH RESEND] mm/damon: fix order of arguments in damos_before

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Message-Id: <20241115182023.43118-1-sj@kernel.org>
Date: Fri, 15 Nov 2024 10:20:23 -0800
From: SeongJae Park <sj@...nel.org>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Akinobu Mita <akinobu.mita@...il.com>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	"Steven Rostedt (Google)" <rostedt@...dmis.org>,
	damon@...ts.linux.dev,
	linux-mm@...ck.org,
	linux-trace-kernel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	kernel-team@...a.com,
	stable@...r.kernel.org,
	SeongJae Park <sj@...nel.org>
Subject: [PATCH RESEND] mm/damon: fix order of arguments in damos_before_apply tracepoint

From: Akinobu Mita <akinobu.mita@...il.com>

Since the order of the scheme_idx and target_idx arguments in TP_ARGS is
reversed, they are stored in the trace record in reverse.

Fixes: c603c630b509 ("mm/damon/core: add a tracepoint for damos apply target regions")
Cc: <stable@...r.kernel.org>
Cc: SeongJae Park <sj@...nel.org>
Signed-off-by: Akinobu Mita <akinobu.mita@...il.com>
Signed-off-by: SeongJae Park <sj@...nel.org>
Link: https://patch.msgid.link/20241112154828.40307-1-akinobu.mita@gmail.com
---
 include/trace/events/damon.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/trace/events/damon.h b/include/trace/events/damon.h
index 23200aabccac..da4bd9fd1162 100644
--- a/include/trace/events/damon.h
+++ b/include/trace/events/damon.h
@@ -15,7 +15,7 @@ TRACE_EVENT_CONDITION(damos_before_apply,
 		unsigned int target_idx, struct damon_region *r,
 		unsigned int nr_regions, bool do_trace),
 
-	TP_ARGS(context_idx, target_idx, scheme_idx, r, nr_regions, do_trace),
+	TP_ARGS(context_idx, scheme_idx, target_idx, r, nr_regions, do_trace),
 
 	TP_CONDITION(do_trace),
 
-- 
2.39.5