MA_ISM
((prev_mflags & MA_ISM) ||
if (mflags & MA_ISM) {
} else if (pmp->pr_mflags & MA_ISM) {
mp->pr_mflags |= MA_ISM | MA_SHM;
mp->pr_mflags |= MA_ISM | MA_SHM;
pmp->pr_mflags |= MA_ISM | MA_SHM;
pmp->pr_mflags |= MA_ISM | MA_SHM;
mp->pr_mflags |= MA_ISM | MA_SHM;
mp->pr_mflags |= MA_ISM | MA_SHM;