Files
i2som-imx-linux/include/linux
Richard Guy Briggs 0ce844aea6 pid: get pid_t ppid of task in init_pid_ns
commit ad36d28293 upstream.

Added the functions task_ppid_nr_ns() and task_ppid_nr() to abstract the lookup
of the PPID (real_parent's pid_t) of a process, including rcu locking, in the
arbitrary and init_pid_ns.
This provides an alternative to sys_getppid(), which is relative to the child
process' pid namespace.

(informed by ebiederman's 6c621b7e)
Cc: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
2014-04-30 16:23:23 +01:00
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