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/xnu-11215/osfmk/kern/
H A Dzalloc.c4339 uint32_t runs, pages, guards, rnum; in zone_allocate_va_locked() local
4408 rnum = zalloc_random_uniform32(0, 4 * 128); in zone_allocate_va_locked()
4409 guards = rnum >= 128; in zone_allocate_va_locked()
4418 rnum = zalloc_random_uniform32(0, ZONE_GUARD_SPARSE); in zone_allocate_va_locked()
4421 guards += rnum < rest; in zone_allocate_va_locked()
4427 rnum = zalloc_random_uniform32(65, 129); in zone_allocate_va_locked()
4428 guards = runs * rnum / 128; in zone_allocate_va_locked()
4436 rnum = zalloc_random_uniform32(0, ZONE_GUARD_DENSE); in zone_allocate_va_locked()
4439 guards += rnum < rest; in zone_allocate_va_locked()
4470 if ((rnum & 3) == 0) { in zone_allocate_va_locked()
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