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| author |   Wei Yang <richard.weiyang@linux.alibaba.com> | 2020-06-12 10:07:52 +0800 |
|---|---|---|
| committer |   Paul E. McKenney <paulmck@kernel.org> | 2020-06-29 11:58:51 -0700 |
| commit | 00943a609d7ad0f08e58bc9c214f38b0ba163c88 (patch) | |
| tree | 3686133ff2ef10dc72ee47a6fbd851fbdd09de54 /kernel/rcu/tree.h | |
| parent | rcu: Stop shrinker loop (diff) | |
| download | linux-dev-00943a609d7ad0f08e58bc9c214f38b0ba163c88.tar.xz linux-dev-00943a609d7ad0f08e58bc9c214f38b0ba163c88.zip | |
rcu: gp_max is protected by root rcu_node's lock
Because gp_max is protected by root rcu_node's lock, this commit moves
the gp_max definition to the region of the rcu_node structure containing
fields protected by this lock.
Signed-off-by: Wei Yang <richard.weiyang@linux.alibaba.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'kernel/rcu/tree.h')
| -rw-r--r-- | kernel/rcu/tree.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h index 575745f0a464..09ec93b16f28 100644 --- a/kernel/rcu/tree.h +++ b/kernel/rcu/tree.h @@ -302,6 +302,8 @@ struct rcu_state { u8 boost ____cacheline_internodealigned_in_smp; /* Subject to priority boost. */ unsigned long gp_seq; /* Grace-period sequence #. */ + unsigned long gp_max; /* Maximum GP duration in */ + /* jiffies. */ struct task_struct *gp_kthread; /* Task for grace periods. */ struct swait_queue_head gp_wq; /* Where GP task waits. */ short gp_flags; /* Commands for GP task. */ @@ -347,8 +349,6 @@ struct rcu_state { /* a reluctant CPU. */ unsigned long n_force_qs_gpstart; /* Snapshot of n_force_qs at */ /* GP start. */ - unsigned long gp_max; /* Maximum GP duration in */ - /* jiffies. */ const char *name; /* Name of structure. */ char abbr; /* Abbreviated name. */ |