linux-kernel - [PATCH mm-unstable v1 1/5] mm/mglru: drop unused parameter

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Date: Wed, 14 Feb 2024 06:05:34 +0000
From: Kinsey Ho <kinseyho@...gle.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-mm@...ck.org, linux-kernel@...r.kernel.org, 
	Yu Zhao <yuzhao@...gle.com>, Donet Tom <donettom@...ux.vnet.ibm.com>, 
	"Aneesh Kumar K . V" <aneesh.kumar@...ux.ibm.com>, Kinsey Ho <kinseyho@...gle.com>
Subject: [PATCH mm-unstable v1 1/5] mm/mglru: drop unused parameter

struct scan_control *sc is currently passed into try_to_inc_max_seq()
and run_aging(). This parameter is not used.

Drop the unused parameter struct scan_control *sc. No functional change.

Signed-off-by: Kinsey Ho <kinseyho@...gle.com>
---
 mm/vmscan.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 54cb7685beba..9d15648561ec 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -3834,7 +3834,7 @@ static bool inc_max_seq(struct lruvec *lruvec, unsigned long max_seq,
 }
 
 static bool try_to_inc_max_seq(struct lruvec *lruvec, unsigned long max_seq,
-			       struct scan_control *sc, bool can_swap, bool force_scan)
+			       bool can_swap, bool force_scan)
 {
 	bool success;
 	struct lru_gen_mm_walk *walk;
@@ -4690,7 +4690,7 @@ static long get_nr_to_scan(struct lruvec *lruvec, struct scan_control *sc, bool
 		return nr_to_scan;
 
 	/* skip this lruvec as it's low on cold folios */
-	return try_to_inc_max_seq(lruvec, max_seq, sc, can_swap, false) ? -1 : 0;
+	return try_to_inc_max_seq(lruvec, max_seq, can_swap, false) ? -1 : 0;
 }
 
 static bool should_abort_scan(struct lruvec *lruvec, struct scan_control *sc)
@@ -5350,7 +5350,7 @@ static const struct seq_operations lru_gen_seq_ops = {
 	.show = lru_gen_seq_show,
 };
 
-static int run_aging(struct lruvec *lruvec, unsigned long seq, struct scan_control *sc,
+static int run_aging(struct lruvec *lruvec, unsigned long seq,
 		     bool can_swap, bool force_scan)
 {
 	DEFINE_MAX_SEQ(lruvec);
@@ -5365,7 +5365,7 @@ static int run_aging(struct lruvec *lruvec, unsigned long seq, struct scan_contr
 	if (!force_scan && min_seq[!can_swap] + MAX_NR_GENS - 1 <= max_seq)
 		return -ERANGE;
 
-	try_to_inc_max_seq(lruvec, max_seq, sc, can_swap, force_scan);
+	try_to_inc_max_seq(lruvec, max_seq, can_swap, force_scan);
 
 	return 0;
 }
@@ -5433,7 +5433,7 @@ static int run_cmd(char cmd, int memcg_id, int nid, unsigned long seq,
 
 	switch (cmd) {
 	case '+':
-		err = run_aging(lruvec, seq, sc, swappiness, opt);
+		err = run_aging(lruvec, seq, swappiness, opt);
 		break;
 	case '-':
 		err = run_eviction(lruvec, seq, sc, swappiness, opt);
-- 
2.43.0.687.g38aa6559b0-goog