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KVM: x86: Account a variety of miscellaneous allocations

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Switch to GFP_KERNEL_ACCOUNT for a handful of allocations that are
clearly associated with a single task/VM.

Note, there are a several SEV allocations that aren't accounted, but
those can (hopefully) be fixed by using the local stack for memory.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210331023025.2485960-3-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Sean Christopherson 2021-03-30 19:30:25 -07:00 committed by Paolo Bonzini
parent 8727906fde
commit eba04b20e4
3 changed files with 6 additions and 6 deletions
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4
arch/x86/kvm/svm/nested.c
View File

@ -1252,8 +1252,8 @@ static int svm_set_nested_state(struct kvm_vcpu *vcpu,
return -EINVAL;
ret = -ENOMEM;
ctl = kzalloc(sizeof(*ctl), GFP_KERNEL);
save = kzalloc(sizeof(*save), GFP_KERNEL);
ctl = kzalloc(sizeof(*ctl), GFP_KERNEL_ACCOUNT);
save = kzalloc(sizeof(*save), GFP_KERNEL_ACCOUNT);
if (!ctl || !save)
goto out_free;

6
arch/x86/kvm/svm/sev.c
View File

@ -633,7 +633,7 @@ static int sev_launch_measure(struct kvm *kvm, struct kvm_sev_cmd *argp)
}
ret = -ENOMEM;
blob = kmalloc(params.len, GFP_KERNEL);
blob = kmalloc(params.len, GFP_KERNEL_ACCOUNT);
if (!blob)
goto e_free;
@ -1070,7 +1070,7 @@ static int sev_get_attestation_report(struct kvm *kvm, struct kvm_sev_cmd *argp)
}
ret = -ENOMEM;
blob = kmalloc(params.len, GFP_KERNEL);
blob = kmalloc(params.len, GFP_KERNEL_ACCOUNT);
if (!blob)
goto e_free;
@ -1774,7 +1774,7 @@ static bool setup_vmgexit_scratch(struct vcpu_svm *svm, bool sync, u64 len)
len, GHCB_SCRATCH_AREA_LIMIT);
return false;
}
scratch_va = kzalloc(len, GFP_KERNEL);
scratch_va = kzalloc(len, GFP_KERNEL_ACCOUNT);
if (!scratch_va)
return false;

2
arch/x86/kvm/vmx/vmx.c
View File

@ -562,7 +562,7 @@ static int hv_enable_direct_tlbflush(struct kvm_vcpu *vcpu)
* evmcs in singe VM shares same assist page.
*/
if (!*p_hv_pa_pg)
*p_hv_pa_pg = kzalloc(PAGE_SIZE, GFP_KERNEL);
*p_hv_pa_pg = kzalloc(PAGE_SIZE, GFP_KERNEL_ACCOUNT);
if (!*p_hv_pa_pg)
return -ENOMEM;