[PATCH v9 07/13] KVM: guest_memfd: Add flag to remove from direct map
Edgecombe, Rick P
rick.p.edgecombe at intel.com
Fri Jan 16 10:10:02 PST 2026
On Fri, 2026-01-16 at 17:51 +0000, Nikita Kalyazin wrote:
> Yes, this is a problem that we'd like to address. We have been
> discussing it in [1]. The effect of flushing on memory population
> that we see on x86 is 5-7x elongation. We are thinking of making use
> of the no-direct-map memory allocator that Brendan is working on [2].
Ah, makes sense.
Do you plan to merge this before the performance problems are
addressed? I guess this series focuses on safety and functionality
first.
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