[PATCH] mm: remove the useless gfp in __memcg_kmem_get_cache

[Zhang Zhen <zhenzhang.zhang@xxxxxxxxxx>]

The gfp was passed in but never used in this function.

Signed-off-by: Zhang Zhen <zhenzhang.zhang@xxxxxxxxxx>
---
 include/linux/memcontrol.h | 4 ++--
 mm/memcontrol.c            | 3 +--
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 6b75640..9481ee9 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -419,7 +419,7 @@ int memcg_cache_id(struct mem_cgroup *memcg);
 void memcg_update_array_size(int num_groups);

 struct kmem_cache *
-__memcg_kmem_get_cache(struct kmem_cache *cachep, gfp_t gfp);
+__memcg_kmem_get_cache(struct kmem_cache *cachep);

 int __memcg_charge_slab(struct kmem_cache *cachep, gfp_t gfp, int order);
 void __memcg_uncharge_slab(struct kmem_cache *cachep, int order);
@@ -514,7 +514,7 @@ memcg_kmem_get_cache(struct kmem_cache *cachep, gfp_t gfp)
 	if (unlikely(fatal_signal_pending(current)))
 		return cachep;

-	return __memcg_kmem_get_cache(cachep, gfp);
+	return __memcg_kmem_get_cache(cachep);
 }
 #else
 #define for_each_memcg_cache_index(_idx)	\
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index d6ac0e3..1186e4d 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3152,8 +3152,7 @@ void __memcg_uncharge_slab(struct kmem_cache *cachep, int order)
  * Can't be called in interrupt context or from kernel threads.
  * This function needs to be called with rcu_read_lock() held.
  */
-struct kmem_cache *__memcg_kmem_get_cache(struct kmem_cache *cachep,
-					  gfp_t gfp)
+struct kmem_cache *__memcg_kmem_get_cache(struct kmem_cache *cachep)
 {
 	struct mem_cgroup *memcg;
 	struct kmem_cache *memcg_cachep;
-- 
1.8.1.4


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