From: Pavel Emelyanov <xemul@openvz.org>
Date: Sat, 8 Dec 2007 08:09:24 +0000 (-0800)
Subject: [NET] sysctl: make the sys.net.core sysctls per-namespace
X-Git-Tag: v2.6.25-rc1~1162^2~1177
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=024626e36d75fc8c6e32d50d4c68bfc3b8df5fdf;p=pandora-kernel.git

[NET] sysctl: make the sys.net.core sysctls per-namespace

Making them per-namespace is required for the following
two reasons:

 First, some ctl values have a per-namespace meaning.
 Second, making them writable from the sub-namespace
 is an isolation hole.

So I introduce the pernet operations to create these
tables. For init_net I use the existing statically
declared tables, for sub-namespace they are duplicated
and the write bits are removed from the mode.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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