Thread (14 messages) 14 messages, 4 authors, 2025-02-19

Re: [RFC PATCH v4 2/3] mm/mempolicy: export memory policy symbols

From: David Hildenbrand <hidden>
Date: 2025-02-12 10:23:46
Also in: kvm, linux-fsdevel, linux-mm, lkml

On 10.02.25 07:32, Shivank Garg wrote:
Export memory policy related symbols needed by the KVM guest-memfd to
implement NUMA policy support.

These symbols are required to implement per-memory region NUMA policies
for guest memory, allowing VMMs to control guest memory placement across
NUMA nodes.
Probably worth mentioning something like

"guest_memfd wants to implement support for NUMA policies just like 
shmem already does using the shared policy infrastructure. As 
guest_memfd currently resides in KVM module code, we have to export the 
relevant symbols.

In the future, guest_memfd might be moved to core-mm, at which point the 
symbols no longer would have to be exported. When/if that happens is 
still unclear."

Acked-by: David Hildenbrand <redacted>


-- 
Cheers,

David / dhildenb
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