From: Eric W. Biederman <ebiederm@xmission.com>
Date: Sat, 10 Jul 2010 22:23:34 +0000 (-0700)
Subject: procfs: Don't cache a pid in the root inode.
X-Git-Tag: v3.8-rc1~77^2~31
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ae06c7c83fc6e97ba247a261921c101960f3d28f;p=pandora-kernel.git

procfs: Don't cache a pid in the root inode.

Now that we have s_fs_info pointing to our pid namespace
the original reason for the proc root inode having a struct
pid is gone.

Caching a pid in the root inode has led to some complicated
code.  Now that we don't need the struct pid, just remove it.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
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