diff mbox series

[V1,vfio,4/6] vfio/hisi: Use GFP_KERNEL_ACCOUNT for userspace persistent allocations

Message ID 20230108154427.32609-5-yishaih@nvidia.com (mailing list archive)
State New, archived
Headers show
Series Move to use cgroups for userspace persistent allocations | expand

Commit Message

Yishai Hadas Jan. 8, 2023, 3:44 p.m. UTC 
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 accountingis, and as such it is controlled by the cgroup
mechanism.

Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
---
 drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c
index 0bba3b05c6c7..a117eaf21c14 100644
--- a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c
+++ b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c
@@ -744,7 +744,7 @@  hisi_acc_vf_pci_resume(struct hisi_acc_vf_core_device *hisi_acc_vdev)
 {
 	struct hisi_acc_vf_migration_file *migf;
 
-	migf = kzalloc(sizeof(*migf), GFP_KERNEL);
+	migf = kzalloc(sizeof(*migf), GFP_KERNEL_ACCOUNT);
 	if (!migf)
 		return ERR_PTR(-ENOMEM);
 
@@ -863,7 +863,7 @@  hisi_acc_open_saving_migf(struct hisi_acc_vf_core_device *hisi_acc_vdev)
 	struct hisi_acc_vf_migration_file *migf;
 	int ret;
 
-	migf = kzalloc(sizeof(*migf), GFP_KERNEL);
+	migf = kzalloc(sizeof(*migf), GFP_KERNEL_ACCOUNT);
 	if (!migf)
 		return ERR_PTR(-ENOMEM);