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From: Roman Gushchin <guro@fb.com>
To: <linux-mm@kvack.org>, Andrew Morton <akpm@linux-foundation.org>
Cc: Michal Hocko <mhocko@kernel.org>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Shakeel Butt <shakeelb@google.com>,
	Vladimir Davydov <vdavydov.dev@gmail.com>,
	<linux-kernel@vger.kernel.org>, <kernel-team@fb.com>,
	Roman Gushchin <guro@fb.com>
Subject: [PATCH v2 2/6] mm: kmem: cleanup memcg_kmem_uncharge_memcg() arguments
Date: Thu, 9 Jan 2020 12:26:55 -0800	[thread overview]
Message-ID: <20200109202659.752357-3-guro@fb.com> (raw)
In-Reply-To: <20200109202659.752357-1-guro@fb.com>

Drop the unused page argument and put the memcg pointer at the first
place. This make the function consistent with its peers:
__memcg_kmem_uncharge_memcg(), memcg_kmem_charge_memcg(), etc.

Signed-off-by: Roman Gushchin <guro@fb.com>
---
 include/linux/memcontrol.h | 4 ++--
 mm/slab.h                  | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index c954209fd685..900a9f884260 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -1409,8 +1409,8 @@ static inline int memcg_kmem_charge_memcg(struct mem_cgroup *memcg, gfp_t gfp,
 	return 0;
 }
 
-static inline void memcg_kmem_uncharge_memcg(struct page *page, int order,
-					     struct mem_cgroup *memcg)
+static inline void memcg_kmem_uncharge_memcg(struct mem_cgroup *memcg,
+					     int order)
 {
 	if (memcg_kmem_enabled())
 		__memcg_kmem_uncharge_memcg(memcg, 1 << order);
diff --git a/mm/slab.h b/mm/slab.h
index c4c93e991250..e7da63fb8211 100644
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -395,7 +395,7 @@ static __always_inline void memcg_uncharge_slab(struct page *page, int order,
 	if (likely(!mem_cgroup_is_root(memcg))) {
 		lruvec = mem_cgroup_lruvec(memcg, page_pgdat(page));
 		mod_lruvec_state(lruvec, cache_vmstat_idx(s), -(1 << order));
-		memcg_kmem_uncharge_memcg(page, order, memcg);
+		memcg_kmem_uncharge_memcg(memcg, order);
 	} else {
 		mod_node_page_state(page_pgdat(page), cache_vmstat_idx(s),
 				    -(1 << order));
-- 
2.21.1



  parent reply	other threads:[~2020-01-09 20:27 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-09 20:26 [PATCH v2 0/6] mm: memcg: kmem API cleanup Roman Gushchin
2020-01-09 20:26 ` [PATCH v2 1/6] mm: kmem: cleanup (__)memcg_kmem_charge_memcg() arguments Roman Gushchin
2020-01-11  0:23   ` Shakeel Butt
2020-01-16 16:42   ` Johannes Weiner
2020-01-09 20:26 ` Roman Gushchin [this message]
2020-01-11  0:23   ` [PATCH v2 2/6] mm: kmem: cleanup memcg_kmem_uncharge_memcg() arguments Shakeel Butt
2020-01-13 15:11     ` Roman Gushchin
2020-01-16 16:44   ` Johannes Weiner
2020-01-09 20:26 ` [PATCH v2 3/6] mm: kmem: rename memcg_kmem_(un)charge() into memcg_kmem_(un)charge_page() Roman Gushchin
2020-01-11  0:25   ` Shakeel Butt
2020-01-16 16:47   ` Johannes Weiner
2020-01-09 20:26 ` [PATCH v2 4/6] mm: kmem: switch to nr_pages in (__)memcg_kmem_charge_memcg() Roman Gushchin
2020-01-11  0:27   ` Shakeel Butt
2020-01-16 17:24   ` Johannes Weiner
2020-01-09 20:26 ` [PATCH v2 5/6] mm: memcg/slab: cache page number in memcg_(un)charge_slab() Roman Gushchin
2020-01-11  0:28   ` Shakeel Butt
2020-01-16 17:26   ` Johannes Weiner
2020-01-09 20:26 ` [PATCH v2 6/6] mm: kmem: rename (__)memcg_kmem_(un)charge_memcg() to __memcg_kmem_(un)charge() Roman Gushchin
2020-01-11  0:32   ` Shakeel Butt
2020-01-16 17:30   ` Johannes Weiner
2020-01-16 17:40     ` Roman Gushchin

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