218 SYSCALL_DEFINE3(setpriority, int, which, int, who, int, niceval)  in SYSCALL_DEFINE3()  argument
240 		if (who)  in SYSCALL_DEFINE3()
241 			p = find_task_by_vpid(who);  in SYSCALL_DEFINE3()
248 		if (who)  in SYSCALL_DEFINE3()
249 			pgrp = find_vpid(who);  in SYSCALL_DEFINE3()
259 		uid = make_kuid(cred->user_ns, who);  in SYSCALL_DEFINE3()
261 		if (!who)  in SYSCALL_DEFINE3()
288 SYSCALL_DEFINE2(getpriority, int, which, int, who)  in SYSCALL_DEFINE2()  argument
303 		if (who)  in SYSCALL_DEFINE2()
304 			p = find_task_by_vpid(who);  in SYSCALL_DEFINE2()
314 		if (who)  in SYSCALL_DEFINE2()
315 			pgrp = find_vpid(who);  in SYSCALL_DEFINE2()
327 		uid = make_kuid(cred->user_ns, who);  in SYSCALL_DEFINE2()
329 		if (!who)  in SYSCALL_DEFINE2()
1065  * understand sessions/pgrp etc. Let somebody who does explain it.
1783 void getrusage(struct task_struct *p, int who, struct rusage *r)  in getrusage()  argument
1798 	if (who == RUSAGE_THREAD) {  in getrusage()
1807 	switch (who) {  in getrusage()
1820 		if (who == RUSAGE_CHILDREN)  in getrusage()
1851 	if (who == RUSAGE_CHILDREN)  in getrusage()
1871 SYSCALL_DEFINE2(getrusage, int, who, struct rusage __user *, ru)  in SYSCALL_DEFINE2()  argument
1875 	if (who != RUSAGE_SELF && who != RUSAGE_CHILDREN &&  in SYSCALL_DEFINE2()
1876 	    who != RUSAGE_THREAD)  in SYSCALL_DEFINE2()
1879 	getrusage(current, who, &r);  in SYSCALL_DEFINE2()
1884 COMPAT_SYSCALL_DEFINE2(getrusage, int, who, struct compat_rusage __user *, ru)  in COMPAT_SYSCALL_DEFINE2()  argument
1888 	if (who != RUSAGE_SELF && who != RUSAGE_CHILDREN &&  in COMPAT_SYSCALL_DEFINE2()
1889 	    who != RUSAGE_THREAD)  in COMPAT_SYSCALL_DEFINE2()
1892 	getrusage(current, who, &r);  in COMPAT_SYSCALL_DEFINE2()