[patch] mm/memcontrol.c::mem_cgroup_migrate() - replace another local_irq_disable() w. local_lock_irq()
From: Mike Galbraith <hidden>
Date: 2016-06-05 06:11:21
Also in:
lkml
v4.6 grew a local_irq_disable() in mm/memcontrol.c::mem_cgroup_migrate(). Convert it to use the existing local lock (event_lock) like the others. Signed-off-by: Mike Galbraith <redacted> --- mm/memcontrol.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c@@ -5557,10 +5557,10 @@ void mem_cgroup_migrate(struct page *old commit_charge(newpage, memcg, false); - local_irq_disable(); + local_lock_irq(event_lock); mem_cgroup_charge_statistics(memcg, newpage, compound, nr_pages); memcg_check_events(memcg, newpage); - local_irq_enable(); + local_unlock_irq(event_lock); } DEFINE_STATIC_KEY_FALSE(memcg_sockets_enabled_key);