RFC NOCB kthread economization patches
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- v1 RFC Latest2 patches 10 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/2 | rcu: Rationalize kthread spawningkernel/ kernel/ kernel/ | +7 | 4 replies | |
| 2/2 | rcu: Create rcuo kthreads only for onlined CPUskernel/ kernel/ kernel/ | +88 | 5 replies |
Reviews trailers per patch
None of the 2 patches has a Reviewed-by or Acked-by of their own; the series has one for all of them.
| Patch | Josh Triplett |
|---|---|
| Series | R-b |
| 1/2 | |
| 2/2 |
Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes.
Cover letter [PATCH RFC tip/core/rcu 0/2] NOCB kthread economization patches
Hello!
This series provides a couple of patches that reduce the number of rcuo kthreads in cases where nr_cpu_ids is larger than the actual number of online CPUs.
1. Preparation patch that rationalizes RCU's creation of early-boot
kthreads.
2. Instead of creation rcuo kthreads for each possible CPU, create
them only for those CPUs that have come online at least once since boot.
Thanx, Paul
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b/kernel/rcu/tree.c | 8 ++- b/kernel/rcu/tree.h | 5 +- b/kernel/rcu/tree_plugin.h | 105 ++++++++++++++++++++++++++++++++++++--------- 3 files changed, 95 insertions(+), 23 deletions(-)