[PATCH 2/3] k_getrusage() can use while_each_thread()

[Oleg Nesterov <oleg@redhat.com>]

Change k_getrusage() to use while_each_thread(), no changes in
the compiled code.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
---
 kernel/sys.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/kernel/sys.c b/kernel/sys.c
index 1d9a218..70d56d6 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1572,8 +1572,7 @@ static void k_getrusage(struct task_struct *p, int who, struct rusage *r)
 			t = p;
 			do {
 				accumulate_thread_rusage(t, r);
-				t = next_thread(t);
-			} while (t != p);
+			} while_each_thread(p, t);
 			break;
 
 		default:
-- 
1.5.5.1