* [PATCH v2] vhost-vdpa: account iommu allocations
@ 2023-12-26 18:28 Pasha Tatashin
2023-12-26 20:19 ` David Rientjes
0 siblings, 1 reply; 2+ messages in thread
From: Pasha Tatashin @ 2023-12-26 18:28 UTC (permalink / raw)
To: akpm, linux-mm, pasha.tatashin, mst, jasowang, kvm,
virtualization, netdev, linux-kernel, rientjes
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>
---
drivers/vhost/vdpa.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
Changelog:
v1:
This patch is spinned of from the series:
https://lore.kernel.org/all/20231128204938.1453583-1-pasha.tatashin@soleen.com
v2:
- Synced with v6.7-rc7
- Added Acked-by Michael S. Tsirkin.
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);
--
2.43.0.472.g3155946c3a-goog
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH v2] vhost-vdpa: account iommu allocations
2023-12-26 18:28 [PATCH v2] vhost-vdpa: account iommu allocations Pasha Tatashin
@ 2023-12-26 20:19 ` David Rientjes
0 siblings, 0 replies; 2+ messages in thread
From: David Rientjes @ 2023-12-26 20:19 UTC (permalink / raw)
To: Pasha Tatashin
Cc: akpm, linux-mm, mst, jasowang, kvm, virtualization, netdev, linux-kernel
On Tue, 26 Dec 2023, Pasha Tatashin wrote:
> 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>
Acked-by: David Rientjes <rientjes@google.com>
^ permalink raw reply [flat|nested] 2+ messages in thread
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