linux-kernel - [PATCH -next v2 4/7] mm/mglru: rename should_abort_scan to lru_gen_should_abort

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Message-Id: <20251224073032.161911-5-chenridong@huaweicloud.com>
Date: Wed, 24 Dec 2025 07:30:29 +0000
From: Chen Ridong <chenridong@...weicloud.com>
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Subject: [PATCH -next v2 4/7] mm/mglru: rename should_abort_scan to lru_gen_should_abort_scan

From: Chen Ridong <chenridong@...wei.com>

The function should_abort_scan will be called in shrink_node_memcgs
to integrate shrink_many and shrink_node_memcgs. Renaming it to
lru_gen_should_abort_scan clarifies that it is specific to the
generational LRU implementation.

Signed-off-by: Chen Ridong <chenridong@...wei.com>
---
 mm/vmscan.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index bbdcd4fcfd74..e55c7835cab5 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -4690,7 +4690,7 @@ static long get_nr_to_scan(struct lruvec *lruvec, struct scan_control *sc, int s
 	return try_to_inc_max_seq(lruvec, max_seq, swappiness, false) ? -1 : 0;
 }
 
-static bool should_abort_scan(struct lruvec *lruvec, struct scan_control *sc)
+static bool lru_gen_should_abort_scan(struct lruvec *lruvec, struct scan_control *sc)
 {
 	int i;
 	enum zone_watermarks mark;
@@ -4742,7 +4742,7 @@ static bool try_to_shrink_lruvec(struct lruvec *lruvec, struct scan_control *sc)
 		if (scanned >= nr_to_scan)
 			break;
 
-		if (should_abort_scan(lruvec, sc))
+		if (lru_gen_should_abort_scan(lruvec, sc))
 			break;
 
 		cond_resched();
@@ -4809,7 +4809,7 @@ static void shrink_many(struct pglist_data *pgdat, struct scan_control *sc)
 
 		shrink_one(lruvec, sc);
 
-		if (should_abort_scan(lruvec, sc)) {
+		if (lru_gen_should_abort_scan(lruvec, sc)) {
 			mem_cgroup_iter_break(target_memcg, memcg);
 			break;
 		}
@@ -5561,6 +5561,10 @@ static void lru_gen_shrink_node(struct pglist_data *pgdat, struct scan_control *
 	BUILD_BUG();
 }
 
+static bool lru_gen_should_abort_scan(struct lruvec *lruvec, struct scan_control *sc)
+{
+	return false;
+}
 #endif /* CONFIG_LRU_GEN */
 
 static void shrink_lruvec(struct lruvec *lruvec, struct scan_control *sc)
-- 
2.34.1