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| author | Paul E. McKenney <paulmck@kernel.org> | 2023-03-17 20:22:58 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2023-04-04 08:36:28 -0700 |
| commit | 660349ac79cb22bb64c44b026d879069783e97d5 (patch) | |
| tree | 383ff01d7ebf729e0be6975952a01acb7e6f8af6 /include | |
| parent | 3b46679c623c2766f4c56fd3f9ce8edbb38c5d20 (diff) | |
| download | linux-stable-660349ac79cb22bb64c44b026d879069783e97d5.tar.gz linux-stable-660349ac79cb22bb64c44b026d879069783e97d5.tar.bz2 linux-stable-660349ac79cb22bb64c44b026d879069783e97d5.zip | |
srcu: Move ->sda_is_static from srcu_struct to srcu_usage
This commit moves the ->sda_is_static field from the srcu_struct structure
to the srcu_usage structure to reduce the size of the former in order
to improve cache locality.
Suggested-by: Christoph Hellwig <hch@lst.de>
Tested-by: Sachin Sant <sachinp@linux.ibm.com>
Tested-by: "Zhang, Qiang1" <qiang1.zhang@intel.com>
Tested-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/srcutree.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/srcutree.h b/include/linux/srcutree.h index 3023492d8d89..d3534ecb806e 100644 --- a/include/linux/srcutree.h +++ b/include/linux/srcutree.h @@ -76,6 +76,7 @@ struct srcu_usage { unsigned long srcu_size_jiffies; /* Current contention-measurement interval. */ unsigned long srcu_n_lock_retries; /* Contention events in current interval. */ unsigned long srcu_n_exp_nodelay; /* # expedited no-delays in current GP phase. */ + bool sda_is_static; /* May ->sda be passed to free_percpu()? */ }; /* @@ -84,7 +85,6 @@ struct srcu_usage { struct srcu_struct { unsigned int srcu_idx; /* Current rdr array element. */ struct srcu_data __percpu *sda; /* Per-CPU srcu_data array. */ - bool sda_is_static; /* May ->sda be passed to free_percpu()? */ unsigned long srcu_barrier_seq; /* srcu_barrier seq #. */ struct mutex srcu_barrier_mutex; /* Serialize barrier ops. */ struct completion srcu_barrier_completion; |