kernel: mmu: remove un-needed call to virt_to_bitmap_offset

When marking the reserved region at the end of virtual address
space, call virt_to_bitmap_offset() is not needed as we already
know the offset. So remove it.

Coverity-CID: 235930
Fixes #35160

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
1 file changed