mmap_rnd_bits_max 89 include/linux/mm.h extern const int mmap_rnd_bits_max; mmap_rnd_bits_max 1719 kernel/sysctl.c .extra2 = (void *)&mmap_rnd_bits_max, mmap_rnd_bits_max 64 mm/mmap.c const int mmap_rnd_bits_max = CONFIG_ARCH_MMAP_RND_BITS_MAX;