rlimit: Allocate and free appropriate Core entry, v2

On Thu, Mar 13, 2014 at 04:20:37PM +0400, Pavel Emelyanov wrote:
>
> Would you rework this patch on top of my recent
> "allocate Core in on xmalloc call" one?

Attached.

>From c2233d4fafce30c4e7214a1a7ab3677824a30d75 Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@openvz.org>
Date: Thu, 13 Mar 2014 16:57:14 +0400
Subject: [PATCH] rlimit: Allocate and free appropriate Core entry

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>