On Wed, May 20, 2020 at 02:26:38PM -0400, Daniel Jordan wrote:
> Please review and test, and thanks to Alex, Andrew, Josh, and Pavel for
> their feedback in the last version.
I re-tested v2:
Tested-by: Josh Triplett
[0.231435] node 1 initialised, 24189223 pages in 32ms
[0.236718] node
Deferred struct page init is a bottleneck in kernel boot--the biggest
for us and probably others. Optimizing it maximizes availability for
large-memory systems and allows spinning up short-lived VMs as needed
without having to leave them running. It also benefits bare metal
machines hosting VMs
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