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authorRoman Gushchin <guro@fb.com>2020-04-01 21:06:43 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-04-02 09:35:28 -0700
commit50591183fa86c4436f6408c6b702af5e4de7524d (patch)
treee5bff7b21b435aee63589c9ee56047695114f48e
parent10eaec2f63b6b4b9e3d2efbdb95789579aa8f64e (diff)
downloadlinux-stericsson-50591183fa86c4436f6408c6b702af5e4de7524d.tar.gz
mm: kmem: cleanup memcg_kmem_uncharge_memcg() arguments
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> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Shakeel Butt <shakeelb@google.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@kernel.org> Cc: Vladimir Davydov <vdavydov.dev@gmail.com> Link: http://lkml.kernel.org/r/20200109202659.752357-3-guro@fb.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--include/linux/memcontrol.h4
-rw-r--r--mm/slab.h2
2 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index f1542d6558c2..13b5d70b8b0e 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -1414,8 +1414,8 @@ 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));