Commit 0fe49630 authored by Marc Zyngier's avatar Marc Zyngier
Browse files

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



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: default avatarMarc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210726153552.1535838-6-maz@kernel.org
parent 205d76ff

arch/arm64/kvm/mmu.c

+1 −1
Original line number Diff line number Diff line
@@ -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;