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KVM: X86: Remove unnecessary GFP_KERNEL_ACCOUNT for temporary variables

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Some variables allocated in kvm_arch_vcpu_ioctl are released when
the function exits, so there is no need to set GFP_KERNEL_ACCOUNT.

Signed-off-by: Peng Hao <flyingpeng@tencent.com>
Link: https://lore.kernel.org/r/20240624012016.46133-1-flyingpeng@tencent.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Peng Hao 2024-06-24 09:20:16 +08:00 committed by Sean Christopherson
parent 8815d77cbc
commit dd103407ca
1 changed files with 4 additions and 5 deletions
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9
arch/x86/kvm/x86.c
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@ -5884,8 +5884,7 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
r = -EINVAL; r = -EINVAL;
if (!lapic_in_kernel(vcpu)) if (!lapic_in_kernel(vcpu))
goto out; goto out;
u.lapic = kzalloc(sizeof(struct kvm_lapic_state), u.lapic = kzalloc(sizeof(struct kvm_lapic_state), GFP_KERNEL);
GFP_KERNEL_ACCOUNT);
r = -ENOMEM; r = -ENOMEM;
if (!u.lapic) if (!u.lapic)
@ -6078,7 +6077,7 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
if (vcpu->arch.guest_fpu.uabi_size > sizeof(struct kvm_xsave)) if (vcpu->arch.guest_fpu.uabi_size > sizeof(struct kvm_xsave))
break; break;
u.xsave = kzalloc(sizeof(struct kvm_xsave), GFP_KERNEL_ACCOUNT); u.xsave = kzalloc(sizeof(struct kvm_xsave), GFP_KERNEL);
r = -ENOMEM; r = -ENOMEM;
if (!u.xsave) if (!u.xsave)
break; break;
@ -6109,7 +6108,7 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
case KVM_GET_XSAVE2: { case KVM_GET_XSAVE2: {
int size = vcpu->arch.guest_fpu.uabi_size; int size = vcpu->arch.guest_fpu.uabi_size;
u.xsave = kzalloc(size, GFP_KERNEL_ACCOUNT); u.xsave = kzalloc(size, GFP_KERNEL);
r = -ENOMEM; r = -ENOMEM;
if (!u.xsave) if (!u.xsave)
break; break;
@ -6127,7 +6126,7 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
} }
case KVM_GET_XCRS: { case KVM_GET_XCRS: {
u.xcrs = kzalloc(sizeof(struct kvm_xcrs), GFP_KERNEL_ACCOUNT); u.xcrs = kzalloc(sizeof(struct kvm_xcrs), GFP_KERNEL);
r = -ENOMEM; r = -ENOMEM;
if (!u.xcrs) if (!u.xcrs)
break; break;