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| author |   Paul E. McKenney <paulmck@kernel.org> | 2022-05-16 17:56:16 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2022-06-20 09:22:28 -0700 |
| commit | 434c9eefb959c36331a93617ea95df903469b99f (patch) | |
| tree | 4ca98f3c279c7595a906f3a8b9f8e315befd418c /include/linux/sched.h | |
| parent | rcu-tasks: Make RCU Tasks Trace stall warning handle idle offline tasks (diff) | |
| download | linux-dev-434c9eefb959c36331a93617ea95df903469b99f.tar.xz linux-dev-434c9eefb959c36331a93617ea95df903469b99f.zip | |
rcu-tasks: Add data structures for lightweight grace periods
This commit adds fields to task_struct and to rcu_tasks_percpu that will
be used to avoid the task-list scan for RCU Tasks Trace grace periods,
and also initializes these fields.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Neeraj Upadhyay <quic_neeraju@quicinc.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Martin KaFai Lau <kafai@fb.com>
Cc: KP Singh <kpsingh@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | include/linux/sched.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index e6eb5871593e..b88caf54e168 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -844,6 +844,8 @@ struct task_struct { int trc_ipi_to_cpu; union rcu_special trc_reader_special; struct list_head trc_holdout_list; + struct list_head trc_blkd_node; + int trc_blkd_cpu; #endif /* #ifdef CONFIG_TASKS_TRACE_RCU */ struct sched_info sched_info; |