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The current assertion tries to make sure that we do not over count the number of used PDE inside a page directory -- that is with an array of 512 pde, we do not expect more than 512 elements used! However, our assertion has to take into account that as we pin an element into the page directory, the caller first pins the page directory so the usage count is one higher. However, this should be one extra pin per thread, and the upper bound is that we may have one thread for each entry. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190820141218.14714-1-chris@chris-wilson.co.uk |
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