drm/i915/kvmgt: Add kvmgt debugfs entry nr_cache_entries under vgpu
Add a new debugfs entry kvmgt_nr_cache_entries under vgpu which shows the number of entry in dma cache. $ cat /sys/kernel/debug/gvt/vgpu1/kvmgt_nr_cache_entries 10101 v3: fix compiling error for some configuration. (Xiong Zhang <xiong.y.zhang@intel.com>) v2: keep debugfs layout flat. Signed-off-by: NChangbin Du <changbin.du@intel.com> Signed-off-by: NZhenyu Wang <zhenyuw@linux.intel.com>
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