The patch titled
Subject: mm/memcg: add a comment regarding the release `obj'
has been added to the -mm tree. Its filename is
mm-memcg-protect-memcg_stock-with-a-local_lock_t-fix.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-memcg-protect-memcg_stock-with-a-local_lock_t-fix.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-memcg-protect-memcg_stock-with-a-local_lock_t-fix.patch
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------------------------------------------------------
From: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
Subject: mm/memcg: add a comment regarding the release `obj'
Please fold into
mm/memcg: Protect memcg_stock with a local_lock_t
Link: https://lkml.kernel.org/r/Yhjye3LaBB8q55bg@xxxxxxxxxxxxx
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memcontrol.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/mm/memcontrol.c~mm-memcg-protect-memcg_stock-with-a-local_lock_t-fix
+++ a/mm/memcontrol.c
@@ -3244,6 +3244,10 @@ static struct obj_cgroup *drain_obj_stoc
}
stock->cached_objcg = NULL;
+ /*
+ * The `old' objects needs to be released by the caller via
+ * obj_cgroup_put() outside of memcg_stock_pcp::stock_lock.
+ */
return old;
}
_
Patches currently in -mm which might be from bigeasy@xxxxxxxxxxxxx are
mm-memcg-disable-threshold-event-handlers-on-preempt_rt.patch
mm-memcg-protect-per-cpu-counter-by-disabling-preemption-on-preempt_rt-where-needed.patch
mm-memcg-protect-per-cpu-counter-by-disabling-preemption-on-preempt_rt-where-needed-fix.patch
mm-memcg-protect-per-cpu-counter-by-disabling-preemption-on-preempt_rt-where-needed-fix-2.patch
mm-memcg-protect-memcg_stock-with-a-local_lock_t.patch
mm-memcg-protect-memcg_stock-with-a-local_lock_t-fix.patch
mm-memcg-disable-migration-instead-of-preemption-in-drain_all_stock.patch
