Messages in this thread | | | Date | Wed, 29 Jan 2014 09:57:33 -0600 (CST) | From | Christoph Lameter <> | Subject | Re: [PATCH] kthread: ensure locality of task_struct allocations |
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On Tue, 28 Jan 2014, Nishanth Aravamudan wrote:
> In the presence of memoryless nodes, numa_node_id()/cpu_to_node() will > return the current CPU's NUMA node, but that may not be where we expect > to allocate from memory from. Instead, we should use > numa_mem_id()/cpu_to_mem(). On one ppc64 system with a memoryless Node > 0, this ends up saving nearly 500M of slab due to less fragmentation.
Reviewed-by: Christoph Lameter <cl@linux.com>
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