From: Zhang Yi <zhang.yi20@zte.com.cn>
Date: Thu, 23 Jan 2014 23:55:57 +0000 (-0800)
Subject: exec: avoid propagating PF_NO_SETAFFINITY into userspace child
X-Git-Tag: v3.14-rc1~108^2~20
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b88fae644e5e3922251a4b242f435f5e3b49c381;p=pandora-kernel.git

exec: avoid propagating PF_NO_SETAFFINITY into userspace child

Userspace process doesn't want the PF_NO_SETAFFINITY, but its parent may be
a kernel worker thread which has PF_NO_SETAFFINITY set, and this worker thread
can do kernel_thread() to create the child.
Clearing this flag in usersapce child to enable its migrating capability.

Signed-off-by: Zhang Yi <zhang.yi20@zte.com.cn>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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