[PATCH v2 0/3] Count pKVM stage-2 usage in secondary pagetable stat

From: Vincent Donnefort
Date: Tue Mar 04 2025 - 08:44:01 EST


This series allows to count stage-2 related memory when using pKVM. The
value can be found in the /proc/meminfo field SecPageTables.

Changes since v1: https://lore.kernel.org/all/20250228121355.1377891-1-vdonnefort@xxxxxxxxxx/
- Flags to kvm_hyp_memcache
- Separate stage-2 memcache
- Account for PGD

Vincent Donnefort (3):
KVM: arm64: Add flags to kvm_hyp_memcache
KVM: arm64: Distinct pKVM teardown memcache for stage-2
KVM: arm64: Count pKVM stage-2 usage in secondary pagetable stats

arch/arm64/include/asm/kvm_host.h | 4 ++++
arch/arm64/kvm/hyp/nvhe/pkvm.c | 7 ++++---
arch/arm64/kvm/mmu.c | 18 +++++++++++++-----
arch/arm64/kvm/pkvm.c | 5 +++++
4 files changed, 26 insertions(+), 8 deletions(-)


base-commit: d082ecbc71e9e0bf49883ee4afd435a77a5101b6
--
2.48.1.711.g2feabab25a-goog