mm: memcg: rename soft limit reclaim-related functions

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

Link: https://lkml.kernel.org/r/20240625005906.106920-4-roman.gushchin@linux.dev
Signed-off-by: Roman Gushchin <roman.gushchin@linux.dev>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Muchun Song <muchun.song@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 7403dd5..83c8327 100644 (file)
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -1121,9 +1121,9 @@ 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 */
 
@@ -1572,9 +1572,9 @@ 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 2ccb840..68e2f1a 100644 (file)
--- 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 4da6fa5..e37bc7e 100644 (file)
--- 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 643c29e..0c54db3 100644 (file)
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1011,7 +1011,7 @@ 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);
        }
 }
 
@@ -5608,7 +5608,7 @@ 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 1807e5d..5a6d105 100644 (file)
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -6169,9 +6169,9 @@ 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() */
@@ -6933,8 +6933,8 @@ restart:
                /* 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;
 
                /*