PROT_MTE
if (system_supports_mte() && (prot & PROT_MTE))
supported |= PROT_MTE;
map_ptr = mmap(NULL, map_size, PROT_READ | PROT_MTE,
prot_flag |= PROT_MTE;
if (mprotect(ptr, entire_size, prot_flag | PROT_MTE)) {
#ifndef PROT_MTE