sysctl_perm 146 fs/proc/proc_sysctl.c if (sysctl_perm(head->root, table, write ? MAY_WRITE : MAY_READ)) sysctl_perm 311 fs/proc/proc_sysctl.c error = sysctl_perm(head->root, table, mask); sysctl_perm 970 include/linux/sysctl.h extern int sysctl_perm(struct ctl_table_root *root, sysctl_perm 1514 kernel/sysctl.c if (sysctl_perm(root, table, op)) sysctl_perm 1555 kernel/sysctl.c if (sysctl_perm(root, table, MAY_EXEC))