Re: [PATCH] KVM: x86/mmu: Don't zero-allocate page table used for splitting a hugepage

From: Sean Christopherson

Date: Thu Mar 05 2026 - 12:15:22 EST


On Wed, 18 Feb 2026 13:08:20 -0800, Sean Christopherson wrote:
> When splitting hugepages in the TDP MMU, don't zero the new page table on
> allocation since tdp_mmu_split_huge_page() is guaranteed to write every
> entry and thus every byte.
>
> Unless someone peeks at the memory between allocating the page table and
> writing the child SPTEs, no functional change intended.
>
> [...]

Applied to kvm-x86 mmu, thanks!

[1/1] KVM: x86/mmu: Don't zero-allocate page table used for splitting a hugepage
https://github.com/kvm-x86/linux/commit/ecb806293213

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