Symbol: PAX_ASLR_MAX_STACK_WASTE
sys/kern/kern_pax.c
343
maxsmap = MAXSSIZ - (MAXSSIZ / PAX_ASLR_MAX_STACK_WASTE);
sys/kern/kern_pax.c
650
d &= (*max_stack_size / PAX_ASLR_MAX_STACK_WASTE) - 1;