From mboxrd@z Thu Jan 1 00:00:00 1970 From: ard.biesheuvel@linaro.org (Ard Biesheuvel) Date: Wed, 17 Sep 2014 14:56:16 -0700 Subject: [PATCH 1/6] arm/arm64: KVM: use __GFP_ZERO not memset() to get zeroed pages In-Reply-To: <1410990981-665-1-git-send-email-ard.biesheuvel@linaro.org> References: <1410990981-665-1-git-send-email-ard.biesheuvel@linaro.org> Message-ID: <1410990981-665-2-git-send-email-ard.biesheuvel@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Pass __GFP_ZERO to __get_free_pages() instead of calling memset() explicitly. Signed-off-by: Ard Biesheuvel --- 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 c68ec28f17c3..152e0f896e63 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; -- 1.8.3.2