lift getrusage() from wait_noreap_copyout()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/kernel/exit.c b/kernel/exit.c
index 42f2648..d4f5097 100644 (file)
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -1062,9 +1062,6 @@ static int wait_noreap_copyout(struct wait_opts *wo, struct task_struct *p,
 {
        struct waitid_info *infop;
 
-       if (wo->wo_rusage)
-               getrusage(p, RUSAGE_BOTH, wo->wo_rusage);
-
        put_task_struct(p);
        infop = wo->wo_info;
        if (infop) {
@@ -1099,6 +1096,8 @@ static int wait_task_zombie(struct wait_opts *wo, struct task_struct *p)
                get_task_struct(p);
                read_unlock(&tasklist_lock);
                sched_annotate_sleep();
+               if (wo->wo_rusage)
+                       getrusage(p, RUSAGE_BOTH, wo->wo_rusage);
 
                if ((exit_code & 0x7f) == 0) {
                        why = CLD_EXITED;
@@ -1296,12 +1295,12 @@ unlock_sig:
        why = ptrace ? CLD_TRAPPED : CLD_STOPPED;
        read_unlock(&tasklist_lock);
        sched_annotate_sleep();
+       if (wo->wo_rusage)
+               getrusage(p, RUSAGE_BOTH, wo->wo_rusage);
 
        if (unlikely(wo->wo_flags & WNOWAIT))
                return wait_noreap_copyout(wo, p, pid, uid, why, exit_code);
 
-       if (wo->wo_rusage)
-               getrusage(p, RUSAGE_BOTH, wo->wo_rusage);
        wo->wo_stat = (exit_code << 8) | 0x7f;
 
        infop = wo->wo_info;
@@ -1350,10 +1349,10 @@ static int wait_task_continued(struct wait_opts *wo, struct task_struct *p)
        get_task_struct(p);
        read_unlock(&tasklist_lock);
        sched_annotate_sleep();
+       if (wo->wo_rusage)
+               getrusage(p, RUSAGE_BOTH, wo->wo_rusage);
 
        if (!wo->wo_info) {
-               if (wo->wo_rusage)
-                       getrusage(p, RUSAGE_BOTH, wo->wo_rusage);
                put_task_struct(p);
                wo->wo_stat = 0xffff;
                retval = pid;