Commit cb8285b8 authored by Yishai Hadas's avatar Yishai Hadas Committed by Alex Williamson
Browse files

vfio/hisi: 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: default avatarYishai Hadas <yishaih@nvidia.com>
Reviewed-by: default avatarJason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20230108154427.32609-5-yishaih@nvidia.com


Signed-off-by: default avatarAlex Williamson <alex.williamson@redhat.com>
parent 0886196c

drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c

+2 −2
Original line number Diff line number Diff line
@@ -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);