diff options
| author | Jia He <justin.he@arm.com> | 2021-09-07 15:31:12 +0300 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2021-10-17 13:25:55 +0300 |
| commit | 115bae923ac8bb29ee635e0ed6b4d5a3eec9371e (patch) | |
| tree | 4bf67d09257b9341f77eec68fcd3efa71bcda90e /arch/arm64/kvm/pmu-emul.c | |
| parent | 3ef231670b9e9001316a426e794b2c74b8f6b4f6 (diff) | |
| download | linux-115bae923ac8bb29ee635e0ed6b4d5a3eec9371e.tar.xz | |
KVM: arm64: Add memcg accounting to KVM allocations
Inspired by commit 254272ce6505 ("kvm: x86: Add memcg accounting to KVM
allocations"), it would be better to make arm64 KVM consistent with
common kvm codes.
The memory allocations of VM scope should be charged into VM process
cgroup, hence change GFP_KERNEL to GFP_KERNEL_ACCOUNT.
There remain a few cases since these allocations are global, not in VM
scope.
Signed-off-by: Jia He <justin.he@arm.com>
Reviewed-by: Oliver Upton <oupton@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210907123112.10232-3-justin.he@arm.com
Diffstat (limited to 'arch/arm64/kvm/pmu-emul.c')
| -rw-r--r-- | arch/arm64/kvm/pmu-emul.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/kvm/pmu-emul.c b/arch/arm64/kvm/pmu-emul.c index 2af3c37445e0..a5e4bbf5e68f 100644 --- a/arch/arm64/kvm/pmu-emul.c +++ b/arch/arm64/kvm/pmu-emul.c @@ -978,7 +978,7 @@ int kvm_arm_pmu_v3_set_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr) mutex_lock(&vcpu->kvm->lock); if (!vcpu->kvm->arch.pmu_filter) { - vcpu->kvm->arch.pmu_filter = bitmap_alloc(nr_events, GFP_KERNEL); + vcpu->kvm->arch.pmu_filter = bitmap_alloc(nr_events, GFP_KERNEL_ACCOUNT); if (!vcpu->kvm->arch.pmu_filter) { mutex_unlock(&vcpu->kvm->lock); return -ENOMEM; |