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When CONFIG_RCU_EXP_KTHREAD=n, the expedited grace period per node initialization is performed in parallel via workqueues (one work per node). However in CONFIG_RCU_EXP_KTHREAD=y, this per node initialization is performed by a single kworker serializing each node initialization (one work for all nodes). The second part is certainly less scalable and efficient beyond a single leaf node. To improve this, expand this single kworker into per-node kworkers. This new layout is eventually intended to remove the workqueues based implementation since it will essentially now become duplicate code. Signed-off-by: Frederic Weisbecker <frederic@kernel.org> Reviewed-by: Paul E. McKenney <paulmck@kernel.org> Signed-off-by: Boqun Feng <boqun.feng@gmail.com> |
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| .. | ||
| Kconfig | ||
| Kconfig.debug | ||
| Makefile | ||
| rcu_segcblist.c | ||
| rcu_segcblist.h | ||
| rcu.h | ||
| rcuscale.c | ||
| rcutorture.c | ||
| refscale.c | ||
| srcutiny.c | ||
| srcutree.c | ||
| sync.c | ||
| tasks.h | ||
| tiny.c | ||
| tree_exp.h | ||
| tree_nocb.h | ||
| tree_plugin.h | ||
| tree_stall.h | ||
| tree.c | ||
| tree.h | ||
| update.c | ||