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To make this consistent with other drivers switch to using vm_account_pinned(). Signed-off-by: Alistair Popple Cc: Michael Ellerman Cc: Nicholas Piggin Cc: Christophe Leroy Cc: Paolo Bonzini Cc: Alexey Kardashevskiy Cc: linuxppc-dev@lists.ozlabs.org Cc: linux-kernel@vger.kernel.org Cc: kvm@vger.kernel.org --- arch/powerpc/kvm/book3s_64_vio.c | 10 +++++----- include/linux/kvm_host.h | 2 ++ virt/kvm/kvm_main.c | 3 +++ 3 files changed, 10 insertions(+), 5 deletions(-) diff --git a/arch/powerpc/kvm/book3s_64_vio.c b/arch/powerpc/kvm/book3s_64_vio.c index 95e738e..ecd1deb 100644 --- a/arch/powerpc/kvm/book3s_64_vio.c +++ b/arch/powerpc/kvm/book3s_64_vio.c @@ -273,8 +273,8 @@ static int kvm_spapr_tce_release(struct inode *inode, struct file *filp) } } - account_locked_vm(kvm->mm, - kvmppc_stt_pages(kvmppc_tce_pages(stt->size)), false); + vm_unaccount_pinned(&kvm->vm_account, + kvmppc_stt_pages(kvmppc_tce_pages(stt->size))); kvm_put_kvm(stt->kvm); @@ -301,8 +301,8 @@ long kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm, (args->offset + args->size > (ULLONG_MAX >> args->page_shift))) return -EINVAL; - npages = kvmppc_tce_pages(args->size); - ret = account_locked_vm(mm, kvmppc_stt_pages(npages), true); + npages = kvmppc_tce_pages(size); + ret = vm_account_pinned(&kvm->vm_account, kvmppc_stt_pages(npages)); if (ret) return ret; @@ -347,7 +347,7 @@ long kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm, kfree(stt); fail_acct: - account_locked_vm(mm, kvmppc_stt_pages(npages), false); + vm_unaccount_pinned(&kvm->vm_account, kvmppc_stt_pages(npages)); return ret; } diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 4f26b24..bd7a7be 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -35,6 +35,7 @@ #include #include #include +#include #include #include @@ -717,6 +718,7 @@ struct kvm { */ struct mutex slots_arch_lock; struct mm_struct *mm; /* userspace tied to this vm */ + struct vm_account vm_account; unsigned long nr_memslot_pages; /* The two memslot sets - active and inactive (per address space) */ struct kvm_memslots __memslots[KVM_ADDRESS_SPACE_NUM][2]; diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 9c60384..770d037 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1142,6 +1142,7 @@ static struct kvm *kvm_create_vm(unsigned long type, const char *fdname) KVM_MMU_LOCK_INIT(kvm); mmgrab(current->mm); kvm->mm = current->mm; + vm_account_init_current(&kvm->vm_account); kvm_eventfd_init(kvm); mutex_init(&kvm->lock); mutex_init(&kvm->irq_lock); @@ -1258,6 +1259,7 @@ static struct kvm *kvm_create_vm(unsigned long type, const char *fdname) out_err_no_srcu: kvm_arch_free_vm(kvm); mmdrop(current->mm); + vm_account_release(&kvm->vm_account); module_put(kvm_chardev_ops.owner); return ERR_PTR(r); } @@ -1327,6 +1329,7 @@ static void kvm_destroy_vm(struct kvm *kvm) preempt_notifier_dec(); hardware_disable_all(); mmdrop(mm); + vm_account_release(&kvm->vm_account); module_put(kvm_chardev_ops.owner); }