From ae5a2a39e46c1e21d06d275daeef9eb0b46864fe Mon Sep 17 00:00:00 2001 From: Haiwei Li Date: Wed, 16 Sep 2020 16:36:21 +0800 Subject: [PATCH] KVM: SVM: use __GFP_ZERO instead of clear_page() Use __GFP_ZERO while alloc_page(). Signed-off-by: Haiwei Li Message-Id: <20200916083621.5512-1-lihaiwei.kernel@gmail.com> Signed-off-by: Paolo Bonzini --- arch/x86/kvm/svm/avic.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/x86/kvm/svm/avic.c b/arch/x86/kvm/svm/avic.c index ac830cd508305..f73f84d564524 100644 --- a/arch/x86/kvm/svm/avic.c +++ b/arch/x86/kvm/svm/avic.c @@ -153,20 +153,18 @@ int avic_vm_init(struct kvm *kvm) return 0; /* Allocating physical APIC ID table (4KB) */ - p_page = alloc_page(GFP_KERNEL_ACCOUNT); + p_page = alloc_page(GFP_KERNEL_ACCOUNT | __GFP_ZERO); if (!p_page) goto free_avic; kvm_svm->avic_physical_id_table_page = p_page; - clear_page(page_address(p_page)); /* Allocating logical APIC ID table (4KB) */ - l_page = alloc_page(GFP_KERNEL_ACCOUNT); + l_page = alloc_page(GFP_KERNEL_ACCOUNT | __GFP_ZERO); if (!l_page) goto free_avic; kvm_svm->avic_logical_id_table_page = l_page; - clear_page(page_address(l_page)); spin_lock_irqsave(&svm_vm_data_hash_lock, flags); again: -- 2.30.2