
Support two hooks as follows to protect multi-mapcount pages in kernel: - trace_android_vh_page_should_be_protect - trace_android_vh_mapped_page_try_sorthead Bug: 236578020 Signed-off-by: Peifeng Li <lipeifeng@oppo.com> Change-Id: I688aceabf17d9de2feac7c3ad7144d307de6ef29