Messages in this thread | | | Date | Thu, 4 Jun 2015 10:05:47 +0900 | From | Tejun Heo <> | Subject | Re: [PATCH 2/4] workqueue: reuse the current per-node pwq when its attrs are unchanged |
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On Wed, Jun 03, 2015 at 10:29:50PM +0800, Lai Jiangshan wrote: > If the cpumask is changed, it is possible that only a part of the per-node > pwq is affected. This can happen when the user changes the cpumask of > a workqueue or the low level cpumask. > > So we try to reuse the current per-node pwq when its attrs are unchanged. > > In wq_update_unbound_numa(), we had already made the current pwq be > reused when its attrs are unaffected, but we move the code of fetching > current pwq closer to the code of testing. > > Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
This one looks good to me.
Thanks.
-- tejun
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