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authorYishai Hadas <yishaih@nvidia.com>2023-01-08 18:44:26 +0300
committerAlex Williamson <alex.williamson@redhat.com>2023-01-23 21:26:30 +0300
commit4a6c971a06ffc1d51bd26c03051d52c2e5977878 (patch)
tree5e9b2338ee8b536f0b96fd07a14635c36a51335c /drivers/vfio
parentcb8285b89f2cf1db866f5c5aae5ce8db7aef41dd (diff)
downloadlinux-4a6c971a06ffc1d51bd26c03051d52c2e5977878.tar.xz
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.c2
-rw-r--r--drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c4
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;