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fs/proc: do_task_stat: use __for_each_thread()

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commit 7904e53ed5a20fc678c01d5d1b07ec486425bb6a upstream.

do/while_each_thread should be avoided when possible.

Link: https://lkml.kernel.org/r/20230909164501.GA11581@redhat.com
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Stable-dep-of: 7601df8031fd ("fs/proc: do_task_stat: use sig->stats_lock to gather the threads/children stats")
Cc: stable@vger.kernel.org
[ mheyne: adjusted context ]
Signed-off-by: Maximilian Heyne <mheyne@amazon.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Oleg Nesterov
2023-09-09 18:45:01 +02:00
committed by Greg Kroah-Hartman
parent 90436e72c9
commit 87ed20fb34
1 changed files with 3 additions and 3 deletions
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6
fs/proc/array.c
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@@ -512,18 +512,18 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
cgtime = sig->cgtime;
if (whole) {
struct task_struct *t = task;
struct task_struct *t;
min_flt = sig->min_flt;
maj_flt = sig->maj_flt;
gtime = sig->gtime;
rcu_read_lock();
do {
__for_each_thread(sig, t) {
min_flt += t->min_flt;
maj_flt += t->maj_flt;
gtime += task_gtime(t);
} while_each_thread(task, t);
}
rcu_read_unlock();
thread_group_cputime_adjusted(task, &utime, &stime);