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minigbm: pass in map flags to (*bo_map) callback
Some eagle-eyed observers have commented that we lose some
potentially useful information for the (*bo_map) callback when
we convert our map flags to page protection flags. Let's not
lose this information, so pass in the map flags. We can convert
to page protection flags using a helper function.
BUG=chromium:764871
TEST=Boot Android and play games on Eve
Change-Id: Ie2cf395109eb5a8de663dfb97a343d20ff0df30c
Reviewed-on: https://chromium-review.googlesource.com/691425
Commit-Ready: Gurchetan Singh <gurchetansingh@chromium.org>
Tested-by: Gurchetan Singh <gurchetansingh@chromium.org>
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>