We keep track of several kernel memory stats (total kernel memory, page tables, stack, vmalloc, etc) on multiple levels (global, per-node, per-memcg, etc). These stats give insights to users to how much memory is used by the kernel and for what purposes. Currently, memory used by kvm for its page tables is not accounted in the pagetable stats. This patch series accounts the memory pages used by KVM for page tables in those stats. The riscv and mips patches are not tested properly due to lack of resources. Feel free to test or drop them. Yosry Ahmed (5): KVM: mm: add a helper to account page table pages used by KVM. KVM: x86: mm: count KVM page table pages in pagetable stats KVM: arm64: mm: count KVM page table pages in pagetable stats KVM: riscv: mm: count KVM page table pages in pagetable stats KVM: mips: mm: count KVM page table pages in pagetable stats arch/arm64/kernel/image-vars.h | 3 ++ arch/arm64/kvm/hyp/pgtable.c | 50 +++++++++++++++++++++------------- arch/mips/kvm/mips.c | 1 + arch/mips/kvm/mmu.c | 9 +++++- arch/riscv/kvm/mmu.c | 26 +++++++++++++----- arch/x86/kvm/mmu/mmu.c | 16 +++++++++-- arch/x86/kvm/mmu/tdp_mmu.c | 16 +++++++++-- include/linux/kvm_host.h | 9 ++++++ 8 files changed, 99 insertions(+), 31 deletions(-) -- 2.35.1.1094.g7c7d902a7c-goog
