Re: [PATCH 7/7] pid: get pid_t ppid of task in init_pid_ns

On Thu, Jan 23, 2014 at 11:32 AM, Richard Guy Briggs <rgb(a)redhat.com&gt; wrote: > 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. ... > +static int pid_alive(const struct task_struct *p); This patch (or some successor version of it) showed up in next-20140317 and the above declaration caused a bunch of warnings on ia64: include/linux/sched.h:1718: warning: 'pid_alive' declared inline after being called [repeated 1675 times across files that include this] The ia64 complier is a lot happier if "inline" is added like this: static inline int pid_alive(const struct task_struct *p);