On Tue, Nov 05, 2024 at 04:45:45PM +0000, Shivank Garg wrote: > This patch series introduces fbind() syscall to support NUMA memory > policies for KVM guest_memfd, allowing VMMs to configure memory placement > for guest memory. This addresses the current limitation where guest_memfd > allocations ignore NUMA policies, potentially impacting performance of > memory-locality-sensitive workloads. Why does guest_memfd ignore numa policies? The pagecache doesn't, eg in vma_alloc_folio_noprof().
