Re: [f2fs-dev] [PATCH kvm-next V11 0/7] Add NUMA mempolicy support for KVM guest-memfd

patchwork-bot+f2fs
2025-12-09T17:21:51Z

Hello:

This series was applied to jaegeuk/f2fs.git (dev)
by Sean Christopherson <seanjc@google.com>:

On Wed, 27 Aug 2025 17:52:41 +0000 you wrote:
> This series introduces NUMA-aware memory placement support for KVM guests
> with guest_memfd memory backends. It builds upon Fuad Tabba's work (V17)
> that enabled host-mapping for guest_memfd memory [1] and can be applied
> directly applied on KVM tree [2] (branch kvm-next, base commit: a6ad5413,
> Merge branch 'guest-memfd-mmap' into HEAD)
>
> == Background ==
> KVM's guest-memfd memory backend currently lacks support for NUMA policy
> enforcement, causing guest memory allocations to be distributed across host
> nodes according to kernel's default behavior, irrespective of any policy
> specified by the VMM. This limitation arises because conventional userspace
> NUMA control mechanisms like mbind(2) don't work since the memory isn't
> directly mapped to userspace when allocations occur.
> Fuad's work [1] provides the necessary mmap capability, and this series
> leverages it to enable mbind(2).
>
> [...]

Here is the summary with links:
- [f2fs-dev,kvm-next,V11,1/7] mm/filemap: Add NUMA mempolicy support to filemap_alloc_folio()
(no matching commit)
- [f2fs-dev,kvm-next,V11,2/7] mm/filemap: Extend __filemap_get_folio() to support NUMA memory policies
https://git.kernel.org/jaegeuk/f2fs/c/16a542e22339
- [f2fs-dev,kvm-next,V11,3/7] mm/mempolicy: Export memory policy symbols
https://git.kernel.org/jaegeuk/f2fs/c/f634f10809ec
- [f2fs-dev,kvm-next,V11,4/7] KVM: guest_memfd: Use guest mem inodes instead of anonymous inodes
(no matching commit)
- [f2fs-dev,kvm-next,V11,5/7] KVM: guest_memfd: Add slab-allocated inode cache
(no matching commit)
- [f2fs-dev,kvm-next,V11,6/7] KVM: guest_memfd: Enforce NUMA mempolicy using shared policy
(no matching commit)
- [f2fs-dev,kvm-next,V11,7/7] KVM: guest_memfd: selftests: Add tests for mmap and NUMA policy support
(no matching commit)

You are awesome, thank you!
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