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make vfork() killable

From:  Oleg Nesterov <oleg@redhat.com>
To:  Andrew Morton <akpm@linux-foundation.org>
Subject:  [PATCH 0/4] make vfork() killable
Date:  Thu, 16 Feb 2012 18:26:26 +0100
Message-ID:  <20120216172626.GA30393@redhat.com>
Cc:  apw@canonical.com, arjan@linux.intel.com, fhrbata@redhat.com, john.johansen@canonical.com, penguin-kernel@I-love.SAKURA.ne.jp, rientjes@google.com, rusty@rustcorp.com.au, tj@kernel.org, linux-kernel@vger.kernel.org
Archive-link:  Article

On 02/16, Oleg Nesterov wrote:
>
> Btw, there is another example of "unbounded" sleep in UNINTERRUPTIBLE,
> vfork. I already have the patches, will send today.

Make vfork() killable, please apply.

These patches are old (Aug 2011), they spent a lot of time in linux-next
without any problem. Linus participated in the discussion, iiuc he has
no objections.

The next step is make vfork() stoppable/traceable.

Oleg.

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