diff options
| author | Izik Eidus <izike@qumranet.com> | 2007-10-02 18:52:55 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-01-30 17:52:50 +0200 |
| commit | 82ce2c96831f049a37118733ced5c8f7c8848102 (patch) | |
| tree | 609fed010ebbb1ced6f0f24698148e69a72da5fd /drivers/kvm/kvm.h | |
| parent | 195aefde9cc2cee38dd54ef92a866721fba4413e (diff) | |
KVM: Allow dynamic allocation of the mmu shadow cache size
The user is now able to set how many mmu pages will be allocated to the guest.
Signed-off-by: Izik Eidus <izike@qumranet.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'drivers/kvm/kvm.h')
| -rw-r--r-- | drivers/kvm/kvm.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h index 1965438f18cc..9f10c373b74c 100644 --- a/drivers/kvm/kvm.h +++ b/drivers/kvm/kvm.h @@ -40,6 +40,8 @@ #define KVM_MAX_VCPUS 4 #define KVM_ALIAS_SLOTS 4 #define KVM_MEMORY_SLOTS 8 +#define KVM_PERMILLE_MMU_PAGES 20 +#define KVM_MIN_ALLOC_MMU_PAGES 64 #define KVM_NUM_MMU_PAGES 1024 #define KVM_MIN_FREE_MMU_PAGES 5 #define KVM_REFILL_PAGES 25 @@ -418,7 +420,9 @@ struct kvm { * Hash table of struct kvm_mmu_page. */ struct list_head active_mmu_pages; - int n_free_mmu_pages; + unsigned int n_free_mmu_pages; + unsigned int n_requested_mmu_pages; + unsigned int n_alloc_mmu_pages; struct hlist_head mmu_page_hash[KVM_NUM_MMU_PAGES]; struct kvm_vcpu *vcpus[KVM_MAX_VCPUS]; unsigned long rmap_overflow; @@ -547,6 +551,7 @@ void kvm_mmu_set_nonpresent_ptes(u64 trap_pte, u64 notrap_pte); int kvm_mmu_reset_context(struct kvm_vcpu *vcpu); void kvm_mmu_slot_remove_write_access(struct kvm *kvm, int slot); void kvm_mmu_zap_all(struct kvm *kvm); +void kvm_mmu_change_mmu_pages(struct kvm *kvm, unsigned int kvm_nr_mmu_pages); hpa_t gpa_to_hpa(struct kvm_vcpu *vcpu, gpa_t gpa); #define HPA_MSB ((sizeof(hpa_t) * 8) - 1) |