KVM: Introduce kvm_memory_slot::arch and move lpage_info into it
[linux-2.6.git] / include / linux / kvm_host.h
index 7a08496..355e445 100644 (file)
@@ -171,11 +171,6 @@ static inline int kvm_vcpu_exiting_guest_mode(struct kvm_vcpu *vcpu)
  */
 #define KVM_MEM_MAX_NR_PAGES ((1UL << 31) - 1)
 
-struct kvm_lpage_info {
-       unsigned long rmap_pde;
-       int write_count;
-};
-
 struct kvm_memory_slot {
        gfn_t base_gfn;
        unsigned long npages;
@@ -184,7 +179,7 @@ struct kvm_memory_slot {
        unsigned long *dirty_bitmap;
        unsigned long *dirty_bitmap_head;
        unsigned long nr_dirty_pages;
-       struct kvm_lpage_info *lpage_info[KVM_NR_PAGE_SIZES - 1];
+       struct kvm_arch_memory_slot arch;
        unsigned long userspace_addr;
        int user_alloc;
        int id;
@@ -376,6 +371,9 @@ int kvm_set_memory_region(struct kvm *kvm,
 int __kvm_set_memory_region(struct kvm *kvm,
                            struct kvm_userspace_memory_region *mem,
                            int user_alloc);
+void kvm_arch_free_memslot(struct kvm_memory_slot *free,
+                          struct kvm_memory_slot *dont);
+int kvm_arch_create_memslot(struct kvm_memory_slot *slot, unsigned long npages);
 int kvm_arch_prepare_memory_region(struct kvm *kvm,
                                struct kvm_memory_slot *memslot,
                                struct kvm_memory_slot old,
@@ -385,6 +383,7 @@ void kvm_arch_commit_memory_region(struct kvm *kvm,
                                struct kvm_userspace_memory_region *mem,
                                struct kvm_memory_slot old,
                                int user_alloc);
+bool kvm_largepages_enabled(void);
 void kvm_disable_largepages(void);
 void kvm_arch_flush_shadow(struct kvm *kvm);