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KVM: SVM: Remove unnecessary GFP_KERNEL_ACCOUNT in svm_set_nested_state()

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The fixed size temporary variables vmcb_control_area and vmcb_save_area
allocated in svm_set_nested_state() are released when the function exits.
Meanwhile, svm_set_nested_state() also have vcpu mutex held to avoid
massive concurrency allocation, so we don't need to set GFP_KERNEL_ACCOUNT.

Signed-off-by: Yongqiang Liu <liuyongqiang13@huawei.com>
Link: https://lore.kernel.org/r/20240821112737.3649937-1-liuyongqiang13@huawei.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Yongqiang Liu 2024-08-21 19:27:37 +08:00 committed by Sean Christopherson
parent 47ac09b91b
commit c501062bb2
1 changed files with 2 additions and 2 deletions
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4
arch/x86/kvm/svm/nested.c
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@ -1693,8 +1693,8 @@ static int svm_set_nested_state(struct kvm_vcpu *vcpu,
return -EINVAL;
ret = -ENOMEM;
ctl = kzalloc(sizeof(*ctl), GFP_KERNEL_ACCOUNT);
save = kzalloc(sizeof(*save), GFP_KERNEL_ACCOUNT);
ctl = kzalloc(sizeof(*ctl), GFP_KERNEL);
save = kzalloc(sizeof(*save), GFP_KERNEL);
if (!ctl || !save)
goto out_free;