kill my_ptrace_child()
Now that my_ptrace_child() is trivial we can use the "p->ptrace & PT_PTRACED" inline and simplify the corresponding logic in do_wait: we can't find the child in TASK_TRACED state without PT_PTRACED flag set, ptrace_untrace() either sets TASK_STOPPED or wakes up the tracee. Signed-off-by: NOleg Nesterov <oleg@tv-sign.ru> Acked-by: NRoland McGrath <roland@redhat.com> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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