On Tue, 11 Feb 2025 10:37:03 +0800, yangge1116@xxxxxxx wrote:
> In the sev_mem_enc_register_region() function, we need to call
> sev_pin_memory() to pin memory for the long term. However, when
> calling sev_pin_memory(), the FOLL_LONGTERM flag is not passed, causing
> the allocated pages not to be migrated out of MIGRATE_CMA/ZONE_MOVABLE,
> violating these mechanisms to avoid fragmentation with unmovable pages,
> for example making CMA allocations fail.
>
> [...]
Applied to kvm-x86 svm, thanks!
[1/1] KVM: SEV: fix wrong pinning of pages
https://github.com/kvm-x86/linux/commit/7e066cb9b71a
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https://github.com/kvm-x86/linux/tree/next
