efef6b0a5a4fbf6c2b1
author Oleg Nesterov <oleg@tv-sign.ru> 1178703276 -0700
committer Linus Torvalds <torvalds@woody.linux-foundation.org> 1178739053 -0700

worker_thread: don't play with SIGCHLD and numa policy

worker_thread() inherits ignored SIGCHLD and numa_default_policy() from its
parent, kthreadd.  No need to setup this again.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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