ssi_uid           103 fs/signalfd.c  		new.ssi_uid = kinfo->si_uid;
ssi_uid           139 fs/signalfd.c  		new.ssi_uid    = kinfo->si_uid;
ssi_uid           149 fs/signalfd.c  		new.ssi_uid = kinfo->si_uid;
ssi_uid            25 include/uapi/linux/signalfd.h 	__u32 ssi_uid;