Re: [PATCH] kthread: ensure locality of task_struct allocations

From: David Rientjes
Date: Thu Jan 30 2014 - 18:31:57 EST


On Thu, 30 Jan 2014, Nishanth Aravamudan wrote:

> In the presence of memoryless nodes, numa_node_id() will return the
> current CPU's NUMA node, but that may not be where we expect to allocate
> from memory from. Instead, we should rely on the fallback code in the
> memory allocator itself, by using NUMA_NO_NODE. Also, when calling
> kthread_create_on_node(), use the nearest node with memory to the cpu in
> question, rather than the node it is running on.
>
> Signed-off-by: Nishanth Aravamudan <nacc@xxxxxxxxxxxxxxxxxx>

Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
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