Re: [PATCH 4/4] ptrace: fix possible zombie leak on PTRACE_DETACH

[Roland McGrath]

ACK on the change, though looks different if you put __ptrace_detach in
ptrace.c with the earliar patch, as I suggest.  Also, I think this warrants
a comment for the release_task call mentioning briefly what it means:

	/*
	 * The flag means __ptrace_detach() determined that this child
	 * was a zombie that should have been auto-reaped already.
	 * Don't leak it.
	 */
	if (unlikely(dead))
		release_task(child);


Thanks,
Roland
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