Messages in this thread | | | Date | Tue, 5 Dec 2017 14:23:00 -0800 | From | Andrew Morton <> | Subject | Re: [RFC PATCH v3 0/7] ktask: multithread CPU-intensive kernel work |
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On Tue, 5 Dec 2017 14:52:13 -0500 Daniel Jordan <daniel.m.jordan@oracle.com> wrote:
> This patchset is based on 4.15-rc2 plus one mmots fix[*] and contains three > ktask users: > - deferred struct page initialization at boot time > - clearing gigantic pages > - fallocate for HugeTLB pages
Performance improvements are nice. How much overall impact is there in real-world worklaods?
> Work in progress: > - Parallelizing page freeing in the exit/munmap paths
Also sounds interesting. Have you identified any other parallelizable operations? vfs object teardown at umount time may be one...
> - CPU hotplug support
Of what? The ktask infrastructure itself?
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