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| author | Paul E. McKenney <paulmck@linux.ibm.com> | 2019-07-01 17:36:53 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.ibm.com> | 2019-08-13 14:35:49 -0700 |
| commit | eda669a6a2c517fd6db41d0fe3c95c1b749c60bd (patch) | |
| tree | 00d46158f1c02fff813a6d874f2ab0bef81078af /kernel/rcu/tree.h | |
| parent | faca5c250935262f026cac1bb951a0f7672474b8 (diff) | |
rcu/nocb: Atomic ->len field in rcu_segcblist structure
Upcoming ->nocb_lock contention-reduction work requires that the
rcu_segcblist structure's ->len field be concurrently manipulated,
but only if there are no-CBs CPUs in the kernel. This commit
therefore makes this ->len field be an atomic_long_t, but only
in CONFIG_RCU_NOCB_CPU=y kernels.
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
Diffstat (limited to 'kernel/rcu/tree.h')
0 files changed, 0 insertions, 0 deletions