tree bfeccf3201208a9ce0e994cff9eacdc4647002a6
parent 5a8da0ea82db6fa9737041381079fd16f25dcce2
author Oleg Nesterov <oleg@tv-sign.ru> 1209541991 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1209569378 -0700

ptrace: introduce task_detached() helper

exit.c has numerous "->exit_signal == -1" comparisons, this check is subtle
and deserves a helper.  Imho makes the code more parseable for humans.  At
least it's surely more greppable.

Also, a couple of whitespace cleanups. No functional changes.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>