introduce the walk_process_tree() helper

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Add the new helper to walk the process tree, the next patch adds a user.
Note that it visits the group leaders only, proc_visitor can do
for_each_thread itself or we can trivially extend walk_process_tree() to
do this.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>

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Oleg Nesterov 2017-01-30 18:06:11 +03:00 • committed by Eric W. Biederman

parent 015bb305b8

commit 0f1b92cbdd

2 changed files with 35 additions and 0 deletions

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3

include/linux/sched.h

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32

kernel/fork.c

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