Re: MM global locks as core counts quadruple

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On Thu, Jun 20, 2024 at 05:35:45PM -0700, David Rientjes wrote:
>  - slab_mutex

This is weird.  You must have very strange workloads running ;-)

It protects the list of slabs.  So it's taken for

 - Slab creation / destruction
 - CPU online/offline
 - Memory hotplug
 - Reading /proc/slabinfo

All of these should be rare events, but don't seem to be for you?




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