[PATCH 2/3] memcg, kmem: rename cache_from_memcg to cache_from_memcg_idx

[Qiang Huang <h.huangqiang@huawei.com>]

We can't see the relationship with memcg from the parameters,
so the name with memcg_idx would be more reasonable.

Signed-off-by: Qiang Huang <h.huangqiang@huawei.com>
---
 mm/slab.c        | 2 +-
 mm/slab.h        | 6 ++++--
 mm/slab_common.c | 2 +-
 mm/slub.c        | 2 +-
 4 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/mm/slab.c b/mm/slab.c
index 8ccd296..3a90fbc 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -3977,7 +3977,7 @@ static int do_tune_cpucache(struct kmem_cache *cachep, int limit,
 
 	VM_BUG_ON(!mutex_is_locked(&slab_mutex));
 	for_each_memcg_cache_index(i) {
-		c = cache_from_memcg(cachep, i);
+		c = cache_from_memcg_idx(cachep, i);
 		if (c)
 			/* return value determined by the parent cache only */
 			__do_tune_cpucache(c, limit, batchcount, shared, gfp);
diff --git a/mm/slab.h b/mm/slab.h
index f96b49e..a6d5bee 100644
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -160,7 +160,8 @@ static inline const char *cache_name(struct kmem_cache *s)
 	return s->name;
 }
 
-static inline struct kmem_cache *cache_from_memcg(struct kmem_cache *s, int idx)
+static inline struct kmem_cache *
+cache_from_memcg_idx(struct kmem_cache *s, int idx)
 {
 	return s->memcg_params->memcg_caches[idx];
 }
@@ -202,7 +203,8 @@ static inline const char *cache_name(struct kmem_cache *s)
 	return s->name;
 }
 
-static inline struct kmem_cache *cache_from_memcg(struct kmem_cache *s, int idx)
+static inline struct kmem_cache *
+cache_from_memcg_idx(struct kmem_cache *s, int idx)
 {
 	return NULL;
 }
diff --git a/mm/slab_common.c b/mm/slab_common.c
index 2d41450..34d1551 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -552,7 +552,7 @@ memcg_accumulate_slabinfo(struct kmem_cache *s, struct slabinfo *info)
 		return;
 
 	for_each_memcg_cache_index(i) {
-		c = cache_from_memcg(s, i);
+		c = cache_from_memcg_idx(s, i);
 		if (!c)
 			continue;
 
diff --git a/mm/slub.c b/mm/slub.c
index 0f3b6c1..0fa9930 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -4999,7 +4999,7 @@ static ssize_t slab_attr_store(struct kobject *kobj,
 		 * through the descendants with best-effort propagation.
 		 */
 		for_each_memcg_cache_index(i) {
-			struct kmem_cache *c = cache_from_memcg(s, i);
+			struct kmem_cache *c = cache_from_memcg_idx(s, i);
 			if (c)
 				attribute->store(c, buf, len);
 		}
-- 
1.8.3


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