diff options
Diffstat (limited to 'arch/x86/kvm/x86.c')
| -rw-r--r-- | arch/x86/kvm/x86.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 26216bb4403..7198234fa08 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -6906,23 +6906,21 @@ out_free: int kvm_arch_prepare_memory_region(struct kvm *kvm, struct kvm_memory_slot *memslot, - struct kvm_memory_slot old, - struct kvm_userspace_memory_region *mem) + struct kvm_userspace_memory_region *mem, + enum kvm_mr_change change) { - int npages = memslot->npages; - /* * Only private memory slots need to be mapped here since * KVM_SET_MEMORY_REGION ioctl is no longer supported. */ - if ((memslot->id >= KVM_USER_MEM_SLOTS) && npages && !old.npages) { + if ((memslot->id >= KVM_USER_MEM_SLOTS) && (change == KVM_MR_CREATE)) { unsigned long userspace_addr; /* * MAP_SHARED to prevent internal slot pages from being moved * by fork()/COW. */ - userspace_addr = vm_mmap(NULL, 0, npages * PAGE_SIZE, + userspace_addr = vm_mmap(NULL, 0, memslot->npages * PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, 0); |