The commit is pushed to "branch-rh7-3.10.0-1160.80.1.vz7.190.x-ovz" and will
appear at https://src.openvz.org/scm/ovz/vzkernel.git
after rh7-3.10.0-1160.80.1.vz7.190.1
------>
commit acce6e8d56cbd2730d12ca3bcd6399d3df3135eb
Author: Konstantin Khorenko <khore...@virtuozzo.com>
Date: Mon Nov 28 17:44:17 2022 +0300
oom: Cast the lockdep spell in the code
task_will_free_mem() requires the task_lock lock is held or the function
is called on the current, but this is just a function comment,
let's add the proper lockdep check according to this comment.
https://jira.sw.ru/browse/PSBM-143283
Signed-off-by: Konstantin Khorenko <khore...@virtuozzo.com>
Suggested-by: Nikolay Borisov <nikolay.bori...@virtuozzo.com>
---
include/linux/oom.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/linux/oom.h b/include/linux/oom.h
index ef0096799ee3..17f5612625f1 100644
--- a/include/linux/oom.h
+++ b/include/linux/oom.h
@@ -133,6 +133,8 @@ static inline bool task_will_free_mem(struct task_struct
*task)
{
struct mm_struct *mm = task->mm;
+ lockdep_assert(lockdep_is_held(&task->alloc_lock) || task == current);
+
/*
* Skip tasks without mm because it might have passed its exit_mm and
* exit_oom_victim. oom_reaper could have rescued that but do not rely
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