linux-kernel - [PATCH v2 09/14] mm: memcg: rename memcg_oom

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Date: Mon, 24 Jun 2024 17:59:01 -0700
From: Roman Gushchin <roman.gushchin@...ux.dev>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Johannes Weiner <hannes@...xchg.org>,
	Michal Hocko <mhocko@...nel.org>,
	Shakeel Butt <shakeel.butt@...ux.dev>,
	Muchun Song <muchun.song@...ux.dev>,
	linux-kernel@...r.kernel.org,
	cgroups@...r.kernel.org,
	linux-mm@...ck.org,
	Roman Gushchin <roman.gushchin@...ux.dev>
Subject: [PATCH v2 09/14] mm: memcg: rename memcg_oom_recover()

Rename memcg_oom_recover() into memcg1_oom_recover() for consistency
with other memory cgroup v1-related functions.

Move the declaration in mm/memcontrol-v1.h to be nearby other
memcg v1 oom handling functions.

Signed-off-by: Roman Gushchin <roman.gushchin@...ux.dev>
---
 mm/memcontrol-v1.c | 6 +++---
 mm/memcontrol-v1.h | 2 +-
 mm/memcontrol.c    | 6 +++---
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/mm/memcontrol-v1.c b/mm/memcontrol-v1.c
index 253d49d5fb12..1d5608ee1606 100644
--- a/mm/memcontrol-v1.c
+++ b/mm/memcontrol-v1.c
@@ -1090,8 +1090,8 @@ static void __mem_cgroup_clear_mc(void)
 
 		mc.moved_swap = 0;
 	}
-	memcg_oom_recover(from);
-	memcg_oom_recover(to);
+	memcg1_oom_recover(from);
+	memcg1_oom_recover(to);
 	wake_up_all(&mc.waitq);
 }
 
@@ -2067,7 +2067,7 @@ static int memcg_oom_wake_function(wait_queue_entry_t *wait,
 	return autoremove_wake_function(wait, mode, sync, arg);
 }
 
-void memcg_oom_recover(struct mem_cgroup *memcg)
+void memcg1_oom_recover(struct mem_cgroup *memcg)
 {
 	/*
 	 * For the following lockless ->under_oom test, the only required
diff --git a/mm/memcontrol-v1.h b/mm/memcontrol-v1.h
index 3de956b2422f..972c493a8ae3 100644
--- a/mm/memcontrol-v1.h
+++ b/mm/memcontrol-v1.h
@@ -13,7 +13,6 @@ static inline void memcg1_soft_limit_reset(struct mem_cgroup *memcg)
 
 void mem_cgroup_charge_statistics(struct mem_cgroup *memcg, int nr_pages);
 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);
 
@@ -92,5 +91,6 @@ ssize_t memcg_write_event_control(struct kernfs_open_file *of,
 
 bool memcg1_oom_prepare(struct mem_cgroup *memcg, bool *locked);
 void memcg1_oom_finish(struct mem_cgroup *memcg, bool locked);
+void memcg1_oom_recover(struct mem_cgroup *memcg);
 
 #endif	/* __MM_MEMCONTROL_V1_H */
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 8abd364ac837..37e0af5b26f3 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3167,7 +3167,7 @@ static int mem_cgroup_resize_max(struct mem_cgroup *memcg,
 	} while (true);
 
 	if (!ret && enlarge)
-		memcg_oom_recover(memcg);
+		memcg1_oom_recover(memcg);
 
 	return ret;
 }
@@ -3752,7 +3752,7 @@ static int mem_cgroup_oom_control_write(struct cgroup_subsys_state *css,
 
 	WRITE_ONCE(memcg->oom_kill_disable, val);
 	if (!val)
-		memcg_oom_recover(memcg);
+		memcg1_oom_recover(memcg);
 
 	return 0;
 }
@@ -5479,7 +5479,7 @@ static void uncharge_batch(const struct uncharge_gather *ug)
 			page_counter_uncharge(&ug->memcg->memsw, ug->nr_memory);
 		if (ug->nr_kmem)
 			memcg_account_kmem(ug->memcg, -ug->nr_kmem);
-		memcg_oom_recover(ug->memcg);
+		memcg1_oom_recover(ug->memcg);
 	}
 
 	local_irq_save(flags);
-- 
2.45.2