mm: memcg: rename memcg_check_events()

Rename memcg_check_events() into memcg1_check_events() for consistency
with other cgroup v1-specific functions.

Link: https://lkml.kernel.org/r/20240625005906.106920-8-roman.gushchin@linux.devSigned-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>

mm/memcontrol-v1.c

@@ -835,9 +835,9 @@ static int mem_cgroup_move_account(struct folio *folio,
 
 	local_irq_disable();
 	mem_cgroup_charge_statistics(to, nr_pages);
-	memcg_check_events(to, nid);
+	memcg1_check_events(to, nid);
 	mem_cgroup_charge_statistics(from, -nr_pages);
-	memcg_check_events(from, nid);
+	memcg1_check_events(from, nid);
 	local_irq_enable();
 out:
 	return ret;
@@ -1424,7 +1424,7 @@ static void mem_cgroup_threshold(struct mem_cgroup *memcg)
  * Check events in order.
  *
  */
-void memcg_check_events(struct mem_cgroup *memcg, int nid)
+void memcg1_check_events(struct mem_cgroup *memcg, int nid)
 {
 	if (IS_ENABLED(CONFIG_PREEMPT_RT))
 		return;

mm/memcontrol-v1.h

@@ -12,7 +12,7 @@ static inline void memcg1_soft_limit_reset(struct mem_cgroup *memcg)
 }
 
 void mem_cgroup_charge_statistics(struct mem_cgroup *memcg, int nr_pages);
-void memcg_check_events(struct mem_cgroup *memcg, int nid);
+void memcg1_check_events(struct mem_cgroup *memcg, int nid);
 void memcg_oom_recover(struct mem_cgroup *memcg);
 int try_charge_memcg(struct mem_cgroup *memcg, gfp_t gfp_mask,
 		     unsigned int nr_pages);

mm/memcontrol.c

@@ -2630,7 +2630,7 @@ void mem_cgroup_commit_charge(struct folio *folio, struct mem_cgroup *memcg)
 
 	local_irq_disable();
 	mem_cgroup_charge_statistics(memcg, folio_nr_pages(folio));
-	memcg_check_events(memcg, folio_nid(folio));
+	memcg1_check_events(memcg, folio_nid(folio));
 	local_irq_enable();
 }
 
@@ -5662,7 +5662,7 @@ static void uncharge_batch(const struct uncharge_gather *ug)
 	local_irq_save(flags);
 	__count_memcg_events(ug->memcg, PGPGOUT, ug->pgpgout);
 	__this_cpu_add(ug->memcg->vmstats_percpu->nr_page_events, ug->nr_memory);
-	memcg_check_events(ug->memcg, ug->nid);
+	memcg1_check_events(ug->memcg, ug->nid);
 	local_irq_restore(flags);
 
 	/* drop reference from uncharge_folio */
@@ -5801,7 +5801,7 @@ void mem_cgroup_replace_folio(struct folio *old, struct folio *new)
 
 	local_irq_save(flags);
 	mem_cgroup_charge_statistics(memcg, nr_pages);
-	memcg_check_events(memcg, folio_nid(new));
+	memcg1_check_events(memcg, folio_nid(new));
 	local_irq_restore(flags);
 }
 
@@ -6070,7 +6070,7 @@ void mem_cgroup_swapout(struct folio *folio, swp_entry_t entry)
 	memcg_stats_lock();
 	mem_cgroup_charge_statistics(memcg, -nr_entries);
 	memcg_stats_unlock();
-	memcg_check_events(memcg, folio_nid(folio));
+	memcg1_check_events(memcg, folio_nid(folio));
 
 	css_put(&memcg->css);
 }