From 657315780005a676d294c7edf7548650c7e57f76 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Fri, 25 Apr 2014 18:28:02 -0400
Subject: [PATCH] cgroup: add documentation about unified hierarchy

Unified hierarchy will be the new version of cgroup interface.  This
patch adds Documentation/cgroups/unified-hierarchy.txt which describes
the design and rationales of unified hierarchy.

v2: Grammatical updates as per Randy Dunlap's review.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
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