From e9e8578b6cdfba0259e99e79f0cb80c55c99b3c2 Mon Sep 17 00:00:00 2001 From: Ard Biesheuvel Date: Wed, 17 Sep 2014 14:56:16 -0700 Subject: [PATCH] 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 Signed-off-by: Ard Biesheuvel Signed-off-by: Christoffer Dall --- arch/arm/kvm/mmu.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c index eea03069161b..8f0c7a4c49fc 100644 --- a/arch/arm/kvm/mmu.c +++ b/arch/arm/kvm/mmu.c @@ -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; -- 2.39.2