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authorLai Jiangshan <laijs@cn.fujitsu.com>2014-07-22 13:01:59 +0800
committerTejun Heo <tj@kernel.org>2014-07-22 10:37:52 -0400
commita489a03eca74cd1d5ac771f4b2ae2c826aab0b30 (patch)
tree7ac69e996945da543012d86bc2efe66cb5c082a2 /net/rose
parentd8ca83e68c8c7efd8e5920a046d5c576b08609f0 (diff)
workqueue: remove an unneeded UNBOUND test before waking up the next worker
In process_one_work(): if ((worker->flags & WORKER_UNBOUND) && need_more_worker(pool)) wake_up_worker(pool); the first test is unneeded. Even if the first test is removed, it doesn't affect the wake-up logic for WORKER_UNBOUND, and it will not introduce any useless wake-ups for normal per-cpu workers since nr_running is always >= 1. It will introduce useless/redundant wake-ups for CPU_INTENSIVE, but this case is rare and the next patch will also remove this redundant wake-up. tj: Minor updates to the description and comment. Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'net/rose')
0 files changed, 0 insertions, 0 deletions