Messages in this thread | | | Date | Mon, 25 Jul 2016 08:48:25 -0500 (CDT) | From | Christoph Lameter <> | Subject | Re: [PATCH v4 0/5] vfs: Use dlock list for SB's s_inodes list |
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On Fri, 22 Jul 2016, Waiman Long wrote:
> - Add a new patch to make the percpu head structure cacheline aligned > to prevent cacheline contention from disrupting the performance > of nearby percpu variables.
It would be better not to use the percpu allocation etc for this. Given the frequency of off node data access I would say that the data structure does not qualify as per cpu data. You have per cpu data items yes but this is not used as per cpu data.
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