KVM: MMU: Clean up BUG_ON() conditions in rmap_write_protect()

Remove redundant checks and use is_large_pte() macro.

Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Signed-off-by: Avi Kivity <avi@redhat.com>
1 file changed