From: Pasha Tatashin <pasha.tatashin@soleen.com>
Date: Tue, 26 Dec 2023 18:28:27 +0000 (+0000)
Subject: vhost-vdpa: account iommu allocations
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=ab78ffe1ff7d17102972348bb9b1a16ec2696a2b;p=linux.git

vhost-vdpa: account iommu allocations

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>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20231226182827.294158-1-pasha.tatashin@soleen.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: David Rientjes <rientjes@google.com>
---

diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index da7ec77cdaff0..a51c69c078d93 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);