BOOTSTKTOP         96 include/arm/syspage.h #define BOOTSTKTOP	(BOOTSTK + BOOTSTKSZ)
BOOTSTKTOP         81 include/ppc/syspage.h #define BOOTSTKTOP	(BOOTSTK + BOOTSTKSZ)
BOOTSTKTOP         78 include/x86/syspage.h #define BOOTSTKTOP	(BOOTSTK + BOOTSTKSZ)