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Code Issues Releases Wiki Activity

KVM: SVM: use __GFP_ZERO instead of clear_page()

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Use __GFP_ZERO while alloc_page().

Signed-off-by: Haiwei Li <lihaiwei@tencent.com>
Message-Id: <20200916083621.5512-1-lihaiwei.kernel@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Haiwei Li 2020-09-16 16:36:21 +08:00 committed by Paolo Bonzini
parent bddd82d19e
commit ae5a2a39e4
1 changed files with 2 additions and 4 deletions
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6
arch/x86/kvm/svm/avic.c
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@ -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: