Commit 7efe8ef2 authored Oct 26, 2020 by Will Deacon Committed by Marc Zyngier Oct 29, 2020

KVM: arm64: Allocate stage-2 pgd pages with GFP_KERNEL_ACCOUNT



For consistency with the rest of the stage-2 page-table page allocations
(performing using a kvm_mmu_memory_cache), ensure that __GFP_ACCOUNT is
included in the GFP flags for the PGD pages.

Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Quentin Perret <qperret@google.com>
Link: https://lore.kernel.org/r/20201026144423.24683-1-will@kernel.org

parent d2782505

arch/arm64/kvm/hyp/pgtable.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -846,7 +846,7 @@ int kvm_pgtable_stage2_init(struct kvm_pgtable pgt, struct kvm kvm)
		u32 start_level = VTCR_EL2_TGRAN_SL0_BASE - sl0;

		pgd_sz = kvm_pgd_pages(ia_bits, start_level) * PAGE_SIZE;
		pgt->pgd = alloc_pages_exact(pgd_sz, GFP_KERNEL \| __GFP_ZERO);
		pgt->pgd = alloc_pages_exact(pgd_sz, GFP_KERNEL_ACCOUNT \| __GFP_ZERO);
		if (!pgt->pgd)
		return -ENOMEM;

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