MAX_GAP           113 arch/parisc/mm/init.c #define MAX_GAP (0x40000000UL >> PAGE_SHIFT)
MAX_GAP            26 arch/powerpc/mm/mmap.c #define MAX_GAP (TASK_SIZE/6*5)
MAX_GAP           363 mm/util.c      #define MAX_GAP		(STACK_TOP / 6 * 5)