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KVM: arm64: Use get_page() instead of kvm_get_pfn()

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When mapping a THP, we are guaranteed that the page isn't reserved,
and we can safely avoid the kvm_is_reserved_pfn() call.

Replace kvm_get_pfn() with get_page(pfn_to_page()).

Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210726153552.1535838-6-maz@kernel.org
This commit is contained in:
Marc Zyngier 2021-07-26 16:35:51 +01:00
parent 205d76ff06
commit 0fe4963010
1 changed files with 1 additions and 1 deletions
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2
arch/arm64/kvm/mmu.c
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@ -840,7 +840,7 @@ transparent_hugepage_adjust(struct kvm *kvm, struct kvm_memory_slot *memslot,
*ipap &= PMD_MASK;
kvm_release_pfn_clean(pfn);
pfn &= ~(PTRS_PER_PMD - 1);
kvm_get_pfn(pfn);
get_page(pfn_to_page(pfn));
*pfnp = pfn;
return PMD_SIZE;