sysctl_nr_open_min 23 fs/file.c unsigned int sysctl_nr_open_min = BITS_PER_LONG; sysctl_nr_open_min 117 kernel/sysctl.c extern unsigned int sysctl_nr_open_min, sysctl_nr_open_max; sysctl_nr_open_min 1784 kernel/sysctl.c .extra1 = &sysctl_nr_open_min,