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authorYosry Ahmed <yosryahmed@google.com>2023-04-21 17:40:19 +0000
committerAndrew Morton <akpm@linux-foundation.org>2023-06-09 16:25:15 -0700
commit35822fdae3bf509532b0954088070f17de51ff15 (patch)
treee0039d448dfe718370123e1421b3667a30b5ab10 /mm/memcontrol.c
parentf82a7a86dbfbd0ee81a4907ca41ba78bda1846f4 (diff)
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memcg: remove mem_cgroup_flush_stats_atomic()
Previous patches removed all callers of mem_cgroup_flush_stats_atomic(). Remove the function and simplify the code. Link: https://lkml.kernel.org/r/20230421174020.2994750-5-yosryahmed@google.com Signed-off-by: Yosry Ahmed <yosryahmed@google.com> Acked-by: Shakeel Butt <shakeelb@google.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Christian Brauner <brauner@kernel.org> Cc: Jan Kara <jack@suse.cz> Cc: Jens Axboe <axboe@kernel.dk> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@kernel.org> Cc: Michal Koutný <mkoutny@suse.com> Cc: Muchun Song <songmuchun@bytedance.com> Cc: Roman Gushchin <roman.gushchin@linux.dev> Cc: Tejun Heo <tj@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/memcontrol.c')
-rw-r--r--mm/memcontrol.c24
1 files changed, 5 insertions, 19 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 7474aa8e4026..2184a9c566f1 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -639,7 +639,7 @@ static inline void memcg_rstat_updated(struct mem_cgroup *memcg, int val)
}
}
-static void do_flush_stats(bool atomic)
+static void do_flush_stats(void)
{
/*
* We always flush the entire tree, so concurrent flushers can just
@@ -652,30 +652,16 @@ static void do_flush_stats(bool atomic)
WRITE_ONCE(flush_next_time, jiffies_64 + 2*FLUSH_TIME);
- if (atomic)
- cgroup_rstat_flush_atomic(root_mem_cgroup->css.cgroup);
- else
- cgroup_rstat_flush(root_mem_cgroup->css.cgroup);
+ cgroup_rstat_flush(root_mem_cgroup->css.cgroup);
atomic_set(&stats_flush_threshold, 0);
atomic_set(&stats_flush_ongoing, 0);
}
-static bool should_flush_stats(void)
-{
- return atomic_read(&stats_flush_threshold) > num_online_cpus();
-}
-
void mem_cgroup_flush_stats(void)
{
- if (should_flush_stats())
- do_flush_stats(false);
-}
-
-void mem_cgroup_flush_stats_atomic(void)
-{
- if (should_flush_stats())
- do_flush_stats(true);
+ if (atomic_read(&stats_flush_threshold) > num_online_cpus())
+ do_flush_stats();
}
void mem_cgroup_flush_stats_ratelimited(void)
@@ -690,7 +676,7 @@ static void flush_memcg_stats_dwork(struct work_struct *w)
* Always flush here so that flushing in latency-sensitive paths is
* as cheap as possible.
*/
- do_flush_stats(false);
+ do_flush_stats();
queue_delayed_work(system_unbound_wq, &stats_flush_dwork, FLUSH_TIME);
}