Messages in this thread Patch in this message | | | From | lihaiwei.kernel@gmail ... | Subject | [PATCH] KVM: SVM: use __GFP_ZERO instead of clear_page() | Date | Wed, 16 Sep 2020 16:36:21 +0800 |
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From: Haiwei Li <lihaiwei@tencent.com>
Use __GFP_ZERO while alloc_page().
Signed-off-by: Haiwei Li <lihaiwei@tencent.com> --- 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 ac830cd50830..f73f84d56452 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: -- 2.18.4
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