diff options
| author | Yishai Hadas <yishaih@nvidia.com> | 2023-01-08 17:44:26 +0200 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2023-01-23 11:26:30 -0700 |
| commit | 4a6c971a06ffc1d51bd26c03051d52c2e5977878 (patch) | |
| tree | 5e9b2338ee8b536f0b96fd07a14635c36a51335c /drivers/vfio | |
| parent | cb8285b89f2cf1db866f5c5aae5ce8db7aef41dd (diff) | |
| download | lwn-4a6c971a06ffc1d51bd26c03051d52c2e5977878.tar.gz lwn-4a6c971a06ffc1d51bd26c03051d52c2e5977878.zip | |
vfio/fsl-mc: Use GFP_KERNEL_ACCOUNT for userspace persistent allocations
Use GFP_KERNEL_ACCOUNT for userspace persistent allocations.
The GFP_KERNEL_ACCOUNT option lets the memory allocator know that this
is untrusted allocation triggered from userspace and should be a subject
of kmem accounting, and as such it is controlled by the cgroup
mechanism.
Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20230108154427.32609-6-yishaih@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers/vfio')
| -rw-r--r-- | drivers/vfio/fsl-mc/vfio_fsl_mc.c | 2 | ||||
| -rw-r--r-- | drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/drivers/vfio/fsl-mc/vfio_fsl_mc.c b/drivers/vfio/fsl-mc/vfio_fsl_mc.c index defeb8510ace..c89a047a4cd8 100644 --- a/drivers/vfio/fsl-mc/vfio_fsl_mc.c +++ b/drivers/vfio/fsl-mc/vfio_fsl_mc.c @@ -28,7 +28,7 @@ static int vfio_fsl_mc_open_device(struct vfio_device *core_vdev) int i; vdev->regions = kcalloc(count, sizeof(struct vfio_fsl_mc_region), - GFP_KERNEL); + GFP_KERNEL_ACCOUNT); if (!vdev->regions) return -ENOMEM; diff --git a/drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c b/drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c index 64d01f3fb13d..c51229fccbd6 100644 --- a/drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c +++ b/drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c @@ -29,7 +29,7 @@ static int vfio_fsl_mc_irqs_allocate(struct vfio_fsl_mc_device *vdev) irq_count = mc_dev->obj_desc.irq_count; - mc_irq = kcalloc(irq_count, sizeof(*mc_irq), GFP_KERNEL); + mc_irq = kcalloc(irq_count, sizeof(*mc_irq), GFP_KERNEL_ACCOUNT); if (!mc_irq) return -ENOMEM; @@ -77,7 +77,7 @@ static int vfio_set_trigger(struct vfio_fsl_mc_device *vdev, if (fd < 0) /* Disable only */ return 0; - irq->name = kasprintf(GFP_KERNEL, "vfio-irq[%d](%s)", + irq->name = kasprintf(GFP_KERNEL_ACCOUNT, "vfio-irq[%d](%s)", hwirq, dev_name(&vdev->mc_dev->dev)); if (!irq->name) return -ENOMEM; |