block: null_blk: fix 'Invalid parameters' when loading module

On ARM64, the default page size has been 64K on some distributions, and
we should allow ARM64 people to play null_blk.

This patch fixes the issue by extend page bitmap size for supporting
other non-4KB PAGE_SIZE.

Cc: Bart Van Assche <[email protected]>
Cc: Shaohua Li <[email protected]>
Cc: Kyungchan Koh <[email protected]>,
Cc: weiping zhang <[email protected]>
Cc: Yi Zhang <[email protected]>
Reported-by: Yi Zhang <[email protected]>
Signed-off-by: Ming Lei <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>

0 files changed, 0 insertions, 0 deletions