From: Alistair Popple <apopple@nvidia.com> To: linux-mm@kvack.org, cgroups@vger.kernel.org Cc: linux-kernel@vger.kernel.org, jgg@nvidia.com, jhubbard@nvidia.com, tjmercier@google.com, hannes@cmpxchg.org, surenb@google.com, mkoutny@suse.com, daniel@ffwll.ch, Alistair Popple <apopple@nvidia.com>, "Michael S. Tsirkin" <mst@redhat.com>, Jason Wang <jasowang@redhat.com>, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org Subject: [RFC PATCH 02/19] drivers/vhost: Convert to use vm_account Date: Tue, 24 Jan 2023 16:42:31 +1100 [thread overview] Message-ID: <97a17a6ab7e59be4287a2a94d43bb787300476b4.1674538665.git-series.apopple@nvidia.com> (raw) In-Reply-To: <cover.f52b9eb2792bccb8a9ecd6bc95055705cfe2ae03.1674538665.git-series.apopple@nvidia.com> Convert vhost to use the new vm_account structure and associated account_pinned_vm() functions. Signed-off-by: Alistair Popple <apopple@nvidia.com> Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: Jason Wang <jasowang@redhat.com> Cc: kvm@vger.kernel.org Cc: virtualization@lists.linux-foundation.org Cc: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- drivers/vhost/vdpa.c | 9 +++++---- drivers/vhost/vhost.c | 2 ++ drivers/vhost/vhost.h | 1 + 3 files changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index ec32f78..a31dd53 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -716,7 +716,7 @@ static void vhost_vdpa_pa_unmap(struct vhost_vdpa *v, struct vhost_iotlb *iotlb, set_page_dirty_lock(page); unpin_user_page(page); } - atomic64_sub(PFN_DOWN(map->size), &dev->mm->pinned_vm); + vm_unaccount_pinned(&dev->vm_account, PFN_DOWN(map->size)); vhost_vdpa_general_unmap(v, map, asid); vhost_iotlb_map_free(iotlb, map); } @@ -780,6 +780,10 @@ static int vhost_vdpa_map(struct vhost_vdpa *v, struct vhost_iotlb *iotlb, u32 asid = iotlb_to_asid(iotlb); int r = 0; + if (!vdpa->use_va) + if (vm_account_pinned(&dev->vm_account, PFN_DOWN(size))) + return -ENOMEM; + r = vhost_iotlb_add_range_ctx(iotlb, iova, iova + size - 1, pa, perm, opaque); if (r) @@ -799,9 +803,6 @@ static int vhost_vdpa_map(struct vhost_vdpa *v, struct vhost_iotlb *iotlb, return r; } - if (!vdpa->use_va) - atomic64_add(PFN_DOWN(size), &dev->mm->pinned_vm); - return 0; } diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index cbe72bf..5645c26 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -556,6 +556,7 @@ static void vhost_attach_mm(struct vhost_dev *dev) dev->mm = current->mm; mmgrab(dev->mm); } + vm_account_init_current(&dev->vm_account); } static void vhost_detach_mm(struct vhost_dev *dev) @@ -569,6 +570,7 @@ static void vhost_detach_mm(struct vhost_dev *dev) mmdrop(dev->mm); dev->mm = NULL; + vm_account_release(&dev->vm_account); } /* Caller should have device mutex */ diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h index d910910..3a9aed8 100644 --- a/drivers/vhost/vhost.h +++ b/drivers/vhost/vhost.h @@ -144,6 +144,7 @@ struct vhost_msg_node { struct vhost_dev { struct mm_struct *mm; struct mutex mutex; + struct vm_account vm_account; struct vhost_virtqueue **vqs; int nvqs; struct eventfd_ctx *log_ctx; -- git-series 0.9.1
WARNING: multiple messages have this Message-ID (diff)
From: Alistair Popple <apopple-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> To: linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, jgg-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, jhubbard-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, tjmercier-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org, hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org, surenb-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org, mkoutny-IBi9RG/b67k@public.gmane.org, daniel-/w4YWyX8dFk@public.gmane.org, Alistair Popple <apopple-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>, "Michael S. Tsirkin" <mst-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Jason Wang <jasowang-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, kvm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, virtualization-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Subject: [RFC PATCH 02/19] drivers/vhost: Convert to use vm_account Date: Tue, 24 Jan 2023 16:42:31 +1100 [thread overview] Message-ID: <97a17a6ab7e59be4287a2a94d43bb787300476b4.1674538665.git-series.apopple@nvidia.com> (raw) In-Reply-To: <cover.f52b9eb2792bccb8a9ecd6bc95055705cfe2ae03.1674538665.git-series.apopple-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Convert vhost to use the new vm_account structure and associated account_pinned_vm() functions. Signed-off-by: Alistair Popple <apopple-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Cc: "Michael S. Tsirkin" <mst-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> Cc: Jason Wang <jasowang-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> Cc: kvm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: virtualization-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Cc: netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org --- drivers/vhost/vdpa.c | 9 +++++---- drivers/vhost/vhost.c | 2 ++ drivers/vhost/vhost.h | 1 + 3 files changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index ec32f78..a31dd53 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -716,7 +716,7 @@ static void vhost_vdpa_pa_unmap(struct vhost_vdpa *v, struct vhost_iotlb *iotlb, set_page_dirty_lock(page); unpin_user_page(page); } - atomic64_sub(PFN_DOWN(map->size), &dev->mm->pinned_vm); + vm_unaccount_pinned(&dev->vm_account, PFN_DOWN(map->size)); vhost_vdpa_general_unmap(v, map, asid); vhost_iotlb_map_free(iotlb, map); } @@ -780,6 +780,10 @@ static int vhost_vdpa_map(struct vhost_vdpa *v, struct vhost_iotlb *iotlb, u32 asid = iotlb_to_asid(iotlb); int r = 0; + if (!vdpa->use_va) + if (vm_account_pinned(&dev->vm_account, PFN_DOWN(size))) + return -ENOMEM; + r = vhost_iotlb_add_range_ctx(iotlb, iova, iova + size - 1, pa, perm, opaque); if (r) @@ -799,9 +803,6 @@ static int vhost_vdpa_map(struct vhost_vdpa *v, struct vhost_iotlb *iotlb, return r; } - if (!vdpa->use_va) - atomic64_add(PFN_DOWN(size), &dev->mm->pinned_vm); - return 0; } diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index cbe72bf..5645c26 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -556,6 +556,7 @@ static void vhost_attach_mm(struct vhost_dev *dev) dev->mm = current->mm; mmgrab(dev->mm); } + vm_account_init_current(&dev->vm_account); } static void vhost_detach_mm(struct vhost_dev *dev) @@ -569,6 +570,7 @@ static void vhost_detach_mm(struct vhost_dev *dev) mmdrop(dev->mm); dev->mm = NULL; + vm_account_release(&dev->vm_account); } /* Caller should have device mutex */ diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h index d910910..3a9aed8 100644 --- a/drivers/vhost/vhost.h +++ b/drivers/vhost/vhost.h @@ -144,6 +144,7 @@ struct vhost_msg_node { struct vhost_dev { struct mm_struct *mm; struct mutex mutex; + struct vm_account vm_account; struct vhost_virtqueue **vqs; int nvqs; struct eventfd_ctx *log_ctx; -- git-series 0.9.1
next prev parent reply other threads:[~2023-01-24 5:44 UTC|newest] Thread overview: 108+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-01-24 5:42 [RFC PATCH 00/19] mm: Introduce a cgroup to limit the amount of locked and pinned memory Alistair Popple 2023-01-24 5:42 ` Alistair Popple 2023-01-24 5:42 ` [RFC PATCH 01/19] mm: Introduce vm_account Alistair Popple 2023-01-24 5:42 ` Alistair Popple 2023-01-24 6:29 ` Christoph Hellwig 2023-01-24 6:29 ` Christoph Hellwig 2023-01-24 6:29 ` Christoph Hellwig 2023-01-24 14:32 ` Jason Gunthorpe 2023-01-24 14:32 ` Jason Gunthorpe 2023-01-30 11:36 ` Alistair Popple 2023-01-30 11:36 ` Alistair Popple 2023-01-31 14:00 ` David Hildenbrand 2023-01-31 14:00 ` David Hildenbrand 2023-01-31 14:00 ` David Hildenbrand 2023-01-24 5:42 ` Alistair Popple [this message] 2023-01-24 5:42 ` [RFC PATCH 02/19] drivers/vhost: Convert to use vm_account Alistair Popple 2023-01-24 5:55 ` Michael S. Tsirkin 2023-01-24 5:55 ` Michael S. Tsirkin 2023-01-24 5:55 ` Michael S. Tsirkin 2023-01-30 10:43 ` Alistair Popple 2023-01-30 10:43 ` Alistair Popple 2023-01-24 14:34 ` Jason Gunthorpe 2023-01-24 5:42 ` [RFC PATCH 03/19] drivers/vdpa: Convert vdpa to use the new vm_structure Alistair Popple 2023-01-24 5:42 ` Alistair Popple 2023-01-24 14:35 ` Jason Gunthorpe 2023-01-24 14:35 ` Jason Gunthorpe 2023-01-24 5:42 ` [RFC PATCH 04/19] infiniband/umem: Convert to use vm_account Alistair Popple 2023-01-24 5:42 ` Alistair Popple 2023-01-24 5:42 ` [RFC PATCH 05/19] RMDA/siw: " Alistair Popple 2023-01-24 5:42 ` Alistair Popple 2023-01-24 14:37 ` Jason Gunthorpe 2023-01-24 15:22 ` Bernard Metzler 2023-01-24 15:22 ` Bernard Metzler 2023-01-24 15:56 ` Bernard Metzler 2023-01-24 15:56 ` Bernard Metzler 2023-01-30 11:34 ` Alistair Popple 2023-01-30 11:34 ` Alistair Popple 2023-01-30 13:27 ` Bernard Metzler 2023-01-24 5:42 ` [RFC PATCH 06/19] RDMA/usnic: convert " Alistair Popple 2023-01-24 5:42 ` Alistair Popple 2023-01-24 14:41 ` Jason Gunthorpe 2023-01-24 14:41 ` Jason Gunthorpe 2023-01-30 11:10 ` Alistair Popple 2023-01-30 11:10 ` Alistair Popple 2023-01-24 5:42 ` [RFC PATCH 07/19] vfio/type1: Charge pinned pages to pinned_vm instead of locked_vm Alistair Popple 2023-01-24 5:42 ` [RFC PATCH 08/19] vfio/spapr_tce: Convert accounting to pinned_vm Alistair Popple 2023-01-24 5:42 ` Alistair Popple 2023-01-24 5:42 ` [RFC PATCH 09/19] io_uring: convert to use vm_account Alistair Popple 2023-01-24 14:44 ` Jason Gunthorpe 2023-01-30 11:12 ` Alistair Popple 2023-01-30 11:12 ` Alistair Popple 2023-01-30 13:21 ` Jason Gunthorpe 2023-01-24 5:42 ` [RFC PATCH 10/19] net: skb: Switch to using vm_account Alistair Popple 2023-01-24 5:42 ` Alistair Popple 2023-01-24 14:51 ` Jason Gunthorpe 2023-01-24 14:51 ` Jason Gunthorpe 2023-01-30 11:17 ` Alistair Popple 2023-02-06 4:36 ` Alistair Popple 2023-02-06 4:36 ` Alistair Popple 2023-02-06 13:14 ` Jason Gunthorpe 2023-02-06 13:14 ` Jason Gunthorpe 2023-01-24 5:42 ` [RFC PATCH 11/19] xdp: convert to use vm_account Alistair Popple 2023-01-24 5:42 ` Alistair Popple 2023-01-24 5:42 ` [RFC PATCH 12/19] kvm/book3s_64_vio: Convert account_locked_vm() to vm_account_pinned() Alistair Popple 2023-01-24 5:42 ` Alistair Popple 2023-01-24 5:42 ` [RFC PATCH 13/19] fpga: dfl: afu: convert to use vm_account Alistair Popple 2023-01-24 5:42 ` Alistair Popple 2023-01-24 5:42 ` [RFC PATCH 14/19] mm: Introduce a cgroup for pinned memory Alistair Popple 2023-01-24 5:42 ` Alistair Popple 2023-01-24 8:20 ` kernel test robot 2023-01-24 15:00 ` kernel test robot 2023-01-24 15:41 ` kernel test robot 2023-01-27 21:44 ` Tejun Heo 2023-01-27 21:44 ` Tejun Heo 2023-01-30 13:20 ` Jason Gunthorpe 2023-01-30 13:20 ` Jason Gunthorpe 2023-01-24 5:42 ` [RFC PATCH 15/19] mm/util: Extend vm_account to charge pages against the pin cgroup Alistair Popple 2023-01-24 5:42 ` Alistair Popple 2023-01-24 5:42 ` [RFC PATCH 16/19] mm/util: Refactor account_locked_vm Alistair Popple 2023-01-24 5:42 ` Alistair Popple 2023-01-24 9:52 ` kernel test robot 2023-01-24 5:42 ` [RFC PATCH 17/19] mm: Convert mmap and mlock to use account_locked_vm Alistair Popple 2023-01-24 5:42 ` Alistair Popple 2023-01-24 5:42 ` [RFC PATCH 18/19] mm/mmap: Charge locked memory to pins cgroup Alistair Popple 2023-01-24 5:42 ` Alistair Popple 2023-01-24 5:42 ` [RFC PATCH 19/19] selftests/vm: Add pins-cgroup selftest for mlock/mmap Alistair Popple 2023-01-24 5:42 ` Alistair Popple 2023-01-24 18:26 ` [RFC PATCH 00/19] mm: Introduce a cgroup to limit the amount of locked and pinned memory Yosry Ahmed 2023-01-24 18:26 ` Yosry Ahmed 2023-01-31 0:54 ` Alistair Popple 2023-01-31 0:54 ` Alistair Popple 2023-01-31 5:14 ` Yosry Ahmed 2023-01-31 5:14 ` Yosry Ahmed 2023-01-31 11:22 ` Alistair Popple 2023-01-31 11:22 ` Alistair Popple 2023-01-31 19:49 ` Yosry Ahmed 2023-01-31 19:49 ` Yosry Ahmed 2023-01-24 20:12 ` Jason Gunthorpe 2023-01-24 20:12 ` Jason Gunthorpe 2023-01-31 13:57 ` David Hildenbrand 2023-01-31 14:03 ` Jason Gunthorpe 2023-01-31 14:03 ` Jason Gunthorpe 2023-01-31 14:06 ` David Hildenbrand 2023-01-31 14:10 ` Jason Gunthorpe 2023-01-31 14:10 ` Jason Gunthorpe 2023-01-31 14:15 ` David Hildenbrand 2023-01-31 14:15 ` David Hildenbrand 2023-01-31 14:21 ` Jason Gunthorpe
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