On Tue, Mar 20, 2018 at 12:17 PM, Sean Christopherson
<sean.j.christopherson@xxxxxxxxx> wrote:
> Add struct kvm_vmx, which wraps struct kvm, and a helper to_kvm_vmx()
> that retrieves 'struct kvm_vmx *' from 'struct kvm *'. Move the VMX
> specific variables out of kvm_arch and into kvm_vmx.
> static struct kvm *vmx_vm_alloc(void)
> {
> - return kzalloc(sizeof(struct kvm), GFP_KERNEL);
> + struct kvm_vmx *kvm_vmx = kzalloc(sizeof(struct kvm_vmx), GFP_KERNEL);
> + return &kvm_vmx->kvm;
> }
struct kvm_vmx is getting quite large:
(gdb) p sizeof(struct kvm_vmx)
$1 = 42216
We sometimes find that kmalloc cannot satisfy order 4 allocation
requests due to fragmentation. Is vmalloc an option?
