SECCOMP_RET_USER_NOTIF   40 include/uapi/linux/seccomp.h #define SECCOMP_RET_USER_NOTIF	 0x7fc00000U /* notifies userspace */
SECCOMP_RET_USER_NOTIF  168 tools/testing/selftests/seccomp/seccomp_bpf.c #define SECCOMP_RET_USER_NOTIF 0x7fc00000U