From: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Date: Fri, 23 Mar 2012 22:02:15 +0000 (-0700)
Subject: prio_tree: cleanup prio_tree_left()/prio_tree_right()
X-Git-Tag: v3.4-rc1~109^2~80
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f35368dd1cef11cdd310b07c74d74f45e3469c64;p=pandora-kernel.git

prio_tree: cleanup prio_tree_left()/prio_tree_right()

Introduce iter_walk_down()/iter_walk_up() to remove the common code
between prio_tree_left() and prio_tree_right().

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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