Re: [PATCH 2/4] workqueue: update per-cpu workqueue's node affinity at,online-offline

2014-12-15 Thread Kamezawa Hiroyuki
(2014/12/16 14:32), Lai Jiangshan wrote: On 12/15/2014 07:16 PM, Kamezawa Hiroyuki wrote: The percpu workqueue pool are persistend and never be freed. But cpu<->node relationship can be changed by cpu hotplug and pool->node can point to an offlined node. If pool->node points to an offlined node

Re: [PATCH 2/4] workqueue: update per-cpu workqueue's node affinity at,online-offline

2014-12-15 Thread Lai Jiangshan
On 12/15/2014 07:16 PM, Kamezawa Hiroyuki wrote: > The percpu workqueue pool are persistend and never be freed. > But cpu<->node relationship can be changed by cpu hotplug and pool->node > can point to an offlined node. > > If pool->node points to an offlined node, > following allocation failure c

[PATCH 2/4] workqueue: update per-cpu workqueue's node affinity at,online-offline

2014-12-15 Thread Kamezawa Hiroyuki
The percpu workqueue pool are persistend and never be freed. But cpu<->node relationship can be changed by cpu hotplug and pool->node can point to an offlined node. If pool->node points to an offlined node, following allocation failure can happen. == SLUB: Unable to allocate memory on nod