[PATCH 15/16] vhost-vdpa: account iommu allocations
From: Pasha Tatashin <pasha.tatashin@soleen.com>
Date: 2023-11-28 20:49:56
Also in:
asahi, cgroups, kvm, linux-doc, linux-fsdevel, linux-iommu, linux-mm, linux-rockchip, linux-samsung-soc, linux-sunxi, linux-tegra, lkml, virtualization
Subsystem:
the rest, virtio host (vhost) · Maintainers:
Linus Torvalds, "Michael S. Tsirkin", Jason Wang
iommu allocations should be accounted in order to allow admins to monitor and limit the amount of iommu memory. Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com> --- drivers/vhost/vdpa.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index da7ec77cdaff..a51c69c078d9 100644
--- a/drivers/vhost/vdpa.c
+++ b/drivers/vhost/vdpa.c@@ -968,7 +968,8 @@ static int vhost_vdpa_map(struct vhost_vdpa *v, struct vhost_iotlb *iotlb, r = ops->set_map(vdpa, asid, iotlb); } else { r = iommu_map(v->domain, iova, pa, size, - perm_to_iommu_flags(perm), GFP_KERNEL); + perm_to_iommu_flags(perm), + GFP_KERNEL_ACCOUNT); } if (r) { vhost_iotlb_del_range(iotlb, iova, iova + size - 1);
--
2.43.0.rc2.451.g8631bc7472-goog