CLONE_NEWUSER 31 include/uapi/linux/sched.h #define CLONE_NEWUSER 0x10000000 /* New user namespace */ CLONE_NEWUSER 31 tools/include/uapi/linux/sched.h #define CLONE_NEWUSER 0x10000000 /* New user namespace */ CLONE_NEWUSER 32 tools/testing/selftests/mount/unprivileged-remount-test.c # define CLONE_NEWUSER 0x10000000 CLONE_NEWUSER 20 tools/testing/selftests/safesetid/safesetid-test.c # define CLONE_NEWUSER 0x10000000