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From: Roman Gushchin <roman.gushchin@linux.dev>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Muchun Song <muchun.song@linux.dev>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Michal Hocko <mhocko@kernel.org>,
	Shakeel Butt <shakeel.butt@linux.dev>,
	Matthew Wilcox <willy@infradead.org>,
	linux-mm@kvack.org,
	linux-kernel@vger.kernel.org,
	Roman Gushchin <roman.gushchin@linux.dev>
Subject: [PATCH v1 03/14] mm: memcg: rename soft limit reclaim-related functions
Date: Tue, 28 May 2024 13:20:55 -0700
Message-ID: <20240528202101.3099300-4-roman.gushchin@linux.dev>
In-Reply-To: <20240528202101.3099300-1-roman.gushchin@linux.dev>
References: <20240528202101.3099300-1-roman.gushchin@linux.dev>
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Rename exported function related to the softlimit reclaim
to have memcg1_ prefix.

Signed-off-by: Roman Gushchin <roman.gushchin@linux.dev>
---
 include/linux/memcontrol.h | 12 ++++++------
 mm/memcontrol-v1.c         |  6 +++---
 mm/memcontrol-v1.h         |  4 ++--
 mm/memcontrol.c            |  4 ++--
 mm/vmscan.c                | 10 +++++-----
 5 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 3d1599146afe4..04f9f7b0e7c2f 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -1115,9 +1115,9 @@ static inline void memcg_memory_event_mm(struct mm_struct *mm,
 
 void split_page_memcg(struct page *head, int old_order, int new_order);
 
-unsigned long mem_cgroup_soft_limit_reclaim(pg_data_t *pgdat, int order,
-						gfp_t gfp_mask,
-						unsigned long *total_scanned);
+unsigned long memcg1_soft_limit_reclaim(pg_data_t *pgdat, int order,
+					gfp_t gfp_mask,
+					unsigned long *total_scanned);
 
 #else /* CONFIG_MEMCG */
 
@@ -1566,9 +1566,9 @@ static inline void split_page_memcg(struct page *head, int old_order, int new_or
 }
 
 static inline
-unsigned long mem_cgroup_soft_limit_reclaim(pg_data_t *pgdat, int order,
-					    gfp_t gfp_mask,
-					    unsigned long *total_scanned)
+unsigned long memcg1_soft_limit_reclaim(pg_data_t *pgdat, int order,
+					gfp_t gfp_mask,
+					unsigned long *total_scanned)
 {
 	return 0;
 }
diff --git a/mm/memcontrol-v1.c b/mm/memcontrol-v1.c
index 2ccb8406fa84e..68e2f1a718d36 100644
--- a/mm/memcontrol-v1.c
+++ b/mm/memcontrol-v1.c
@@ -100,7 +100,7 @@ static unsigned long soft_limit_excess(struct mem_cgroup *memcg)
 	return excess;
 }
 
-void mem_cgroup_update_tree(struct mem_cgroup *memcg, int nid)
+void memcg1_update_tree(struct mem_cgroup *memcg, int nid)
 {
 	unsigned long excess;
 	struct mem_cgroup_per_node *mz;
@@ -143,7 +143,7 @@ void mem_cgroup_update_tree(struct mem_cgroup *memcg, int nid)
 	}
 }
 
-void mem_cgroup_remove_from_trees(struct mem_cgroup *memcg)
+void memcg1_remove_from_trees(struct mem_cgroup *memcg)
 {
 	struct mem_cgroup_tree_per_node *mctz;
 	struct mem_cgroup_per_node *mz;
@@ -243,7 +243,7 @@ static int mem_cgroup_soft_reclaim(struct mem_cgroup *root_memcg,
 	return total;
 }
 
-unsigned long mem_cgroup_soft_limit_reclaim(pg_data_t *pgdat, int order,
+unsigned long memcg1_soft_limit_reclaim(pg_data_t *pgdat, int order,
 					    gfp_t gfp_mask,
 					    unsigned long *total_scanned)
 {
diff --git a/mm/memcontrol-v1.h b/mm/memcontrol-v1.h
index 4da6fa561c6d4..e37bc7e8d9558 100644
--- a/mm/memcontrol-v1.h
+++ b/mm/memcontrol-v1.h
@@ -3,8 +3,8 @@
 #ifndef __MM_MEMCONTROL_V1_H
 #define __MM_MEMCONTROL_V1_H
 
-void mem_cgroup_update_tree(struct mem_cgroup *memcg, int nid);
-void mem_cgroup_remove_from_trees(struct mem_cgroup *memcg);
+void memcg1_update_tree(struct mem_cgroup *memcg, int nid);
+void memcg1_remove_from_trees(struct mem_cgroup *memcg);
 
 static inline void memcg1_soft_limit_reset(struct mem_cgroup *memcg)
 {
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index fa1df6e894787..0fbc4e518222e 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1012,7 +1012,7 @@ static void memcg_check_events(struct mem_cgroup *memcg, int nid)
 						MEM_CGROUP_TARGET_SOFTLIMIT);
 		mem_cgroup_threshold(memcg);
 		if (unlikely(do_softlimit))
-			mem_cgroup_update_tree(memcg, nid);
+			memcg1_update_tree(memcg, nid);
 	}
 }
 
@@ -5612,7 +5612,7 @@ static void mem_cgroup_css_free(struct cgroup_subsys_state *css)
 
 	vmpressure_cleanup(&memcg->vmpressure);
 	cancel_work_sync(&memcg->high_work);
-	mem_cgroup_remove_from_trees(memcg);
+	memcg1_remove_from_trees(memcg);
 	free_shrinker_info(memcg);
 	mem_cgroup_free(memcg);
 }
diff --git a/mm/vmscan.c b/mm/vmscan.c
index b9170f767353d..3833b11c96f9b 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -6187,9 +6187,9 @@ static void shrink_zones(struct zonelist *zonelist, struct scan_control *sc)
 			 * and balancing, not for a memcg's limit.
 			 */
 			nr_soft_scanned = 0;
-			nr_soft_reclaimed = mem_cgroup_soft_limit_reclaim(zone->zone_pgdat,
-						sc->order, sc->gfp_mask,
-						&nr_soft_scanned);
+			nr_soft_reclaimed = memcg1_soft_limit_reclaim(zone->zone_pgdat,
+								      sc->order, sc->gfp_mask,
+								      &nr_soft_scanned);
 			sc->nr_reclaimed += nr_soft_reclaimed;
 			sc->nr_scanned += nr_soft_scanned;
 			/* need some check for avoid more shrink_zone() */
@@ -6952,8 +6952,8 @@ static int balance_pgdat(pg_data_t *pgdat, int order, int highest_zoneidx)
 		/* Call soft limit reclaim before calling shrink_node. */
 		sc.nr_scanned = 0;
 		nr_soft_scanned = 0;
-		nr_soft_reclaimed = mem_cgroup_soft_limit_reclaim(pgdat, sc.order,
-						sc.gfp_mask, &nr_soft_scanned);
+		nr_soft_reclaimed = memcg1_soft_limit_reclaim(pgdat, sc.order,
+							      sc.gfp_mask, &nr_soft_scanned);
 		sc.nr_reclaimed += nr_soft_reclaimed;
 
 		/*
-- 
2.45.1