ANDROID: KVM: Expose min hyp s1 free pages in debugfs
Expose a new file in KVM's debugfs folder, hyp_s1_pool_min_free, which
reports the lowest peak of free memory in the hypervisor's stage-1 pool
since boot. This allows to check how close we ever got to 0 to tune
kvm-arm.hyp_lm_size_mb accordingly.
Bug: 273700914
Change-Id: Id15d7f6c40517d75d23bb596889e7a6929e0fb46
Signed-off-by:
Quentin Perret <qperret@google.com>
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