[PATCH v1 03/14] mm: memcg: rename soft limit reclaim-related functions

From: Roman Gushchin
Date: Tue May 28 2024 - 16:22:15 EST


Rename exported function related to the softlimit reclaim
to have memcg1_ prefix.

Signed-off-by: Roman Gushchin <roman.gushchin@xxxxxxxxx>
---
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