KVM: arm64/mmu: count KVM s2 mmu usage in secondary pagetable stats

Browse source

Count the pages used by KVM in arm64 for stage2 mmu in memory stats
under secondary pagetable stats (e.g. "SecPageTables" in /proc/meminfo)
to give better visibility into the memory consumption of KVM mmu in a
similar way to how normal user page tables are accounted.

Signed-off-by: Yosry Ahmed <yosryahmed@google.com>
Reviewed-by: Oliver Upton <oliver.upton@linux.dev>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220823004639.2387269-5-yosryahmed@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>

...

This commit is contained in:

Yosry Ahmed 2022-08-23 00:46:39 +00:00 • committed by Sean Christopherson

parent 43a063cab3

commit d38ba8ccd9

1 changed files with 32 additions and 4 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

36

arch/arm64/kvm/mmu.c

View file