Commit e9e8578b authored Sep 17, 2014 by Ard Biesheuvel Committed by Christoffer Dall Oct 10, 2014

arm/arm64: KVM: use __GFP_ZERO not memset() to get zeroed pages



Pass __GFP_ZERO to __get_free_pages() instead of calling memset()
explicitly.

Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>

parent b5e7a955

arch/arm/kvm/mmu.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -528,11 +528,10 @@ int kvm_alloc_stage2_pgd(struct kvm *kvm)
		return -EINVAL;
		}

		pgd = (pgd_t *)__get_free_pages(GFP_KERNEL, S2_PGD_ORDER);
		pgd = (pgd_t *)__get_free_pages(GFP_KERNEL \| __GFP_ZERO, S2_PGD_ORDER);
		if (!pgd)
		return -ENOMEM;

		memset(pgd, 0, PTRS_PER_S2_PGD * sizeof(pgd_t));
		kvm_clean_pgd(pgd);
		kvm->arch.pgd = pgd;