From: Pasha Tatashin <pasha.tatashin@soleen.com>
To: akpm@linux-foundation.org, linux-mm@kvack.org,
pasha.tatashin@soleen.com, mst@redhat.com, jasowang@redhat.com,
kvm@vger.kernel.org, virtualization@lists.linux.dev,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] vhost-vdpa: account iommu allocations
Date: Thu, 30 Nov 2023 20:04:47 +0000 [thread overview]
Message-ID: <20231130200447.2319543-1-pasha.tatashin@soleen.com> (raw)
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(-)
This patch is spinned of from the series:
https://lore.kernel.org/all/20231128204938.1453583-1-pasha.tatashin@soleen.com
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
reply other threads:[~2023-11-30 20:04 UTC|newest]
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